after

applicationId

count

entityId

scmpPlusPaywallTypeIds

superTopicQueueName

topicPageQuery

hooksTopicWidgetQuery

topic

discoveryWidgetPostMagazineQueueQuery

chinaScienceDiscoveryWidgetQuery

hundredTopTablesDiscoveryWidgetQuery

openQuestionsSeriesDiscoveryWidgetQuery

appConfig

filter

entityUuid

advertZone

sponsor

name

urlAlias

hooksTopic

hooksUseDynamicMetaTags

topicAdsTopic

topicDescriptionTopic

topicHeaderTopic

topicRestContentsTopic

topicSeoTopic

topicTopContentsTopic

topicTopicPageTopic

queue

items

section

query topicPageQuery(
  $after: String
  $applicationId: String!
  $count: Int = 28
  $entityId: String!
  $scmpPlusPaywallTypeIds: [String]
  $superTopicQueueName: String!
) {
  ...hooksTopicWidgetQuery_49mQWb
  topic(filter: {entityId: $entityId}) {
    entityId
    entityUuid
    advertZone(version: 2)
    sponsor {
      name
      id
    }
    name
    urlAlias
    ...hooksTopic
    ...hooksUseDynamicMetaTags
    ...topicAdsTopic
    ...topicDescriptionTopic
    ...topicHeaderTopic
    ...topicRestContentsTopic
    ...topicSeoTopic
    ...topicTopContentsTopic
    ...topicTopicPageTopic_44JfPG
    id
  }
  superTopicQueue: queue(filter: {name: $superTopicQueueName}) {
    items(first: 10) {
      edges {
        node {
          __typename
          ... on Content {
            __isContent: __typename
            entityUuid
            ...homeSecondaryContentItemContent
            ...sectionTopLeadPrimaryContentItemContent
            ...topStoriesItemContent
          }
          ... on Node {
            __isNode: __typename
            id
          }
        }
      }
    }
    id
  }
}

fragment articleCommentArticle on Article {
  ...entityLink
  commentCount
  entityId
}

fragment blockquoteQuoteContent on Content {
  __isContent: __typename
  ...contentShareWidgetContent
}

fragment checkersCheckContentContainsStarlingImageContent on Content {
  __isContent: __typename
  topics {
    entityId
    id
  }
}

fragment chinaScienceDiscoveryWidgetQuery on Query {
  chinaScienceSection: section(filter: {entityId: "328475"}) {
    ...latestDiscoveryWidgetSection
    id
  }
  chinaScienceQueue: queue(filter: {name: "section_top_328475"}) {
    ...latestDiscoveryWidgetQueue
    id
  }
}

fragment contentActionBarContent on Content {
  __isContent: __typename
  entityId
  createdDate
  updatedDate
  publishedDate
  ...articleCommentArticle
  ... on Article {
    hasVideoContent
  }
}

fragment contentCoverImageContent_2m5Gjt on Content {
  __isContent: __typename
  images {
    url
    title
    type
    size1200x800: style(filter: {style: "1200x800"}) {
      url
    }
    size540x360: style(filter: {style: "540x360"}) {
      url
    }
  }
}

fragment contentCoverImageContent_34Njms on Content {
  __isContent: __typename
  images {
    url
    title
    type
    landscape250x99: style(filter: {style: "landscape_250_99"}) {
      url
    }
    size540x360: style(filter: {style: "540x360"}) {
      url
    }
  }
}

fragment contentCoverImageContent_4hzFNJ on Content {
  __isContent: __typename
  images {
    url
    title
    type
    size768x768: style(filter: {style: "768x768"}) {
      url
    }
    size540x360: style(filter: {style: "540x360"}) {
      url
    }
  }
}

fragment contentHeadlineContent on Content {
  __isContent: __typename
  headline
  socialHeadline
  ...contentHeadlineTagContent
  ...helpersUseContentSponsorContent
}

fragment contentHeadlineTagContent on Content {
  __isContent: __typename
  ...hooksContentHeadlineTagContent
}

fragment contentLiveTagContent on Article {
  ...helpersCheckHasLiveTagArticle
}

fragment contentNewsletterWidgetContent on Content {
  __isContent: __typename
  topics {
    relatedNewsletters {
      ...helpersMassageToNewsletterItemNewsletter
      id
    }
    id
  }
  sections {
    value {
      relatedNewsletters {
        ...helpersMassageToNewsletterItemNewsletter
        id
      }
      id
    }
  }
  ... on Article {
    relatedNewsletters {
      ...helpersMassageToNewsletterItemNewsletter
      id
    }
  }
}

fragment contentReadingTimeContent on Content {
  __isContent: __typename
  readingTime
  flag
}

fragment contentSchemaRenderContent on Content {
  __isContent: __typename
  ...blockquoteQuoteContent
  ...imageContent
  ...inlineWidgetContent
  ...photoGalleryWidgetContent
  ...scmpYoutubeContent
}

fragment contentSectionsContent on Content {
  __isContent: __typename
  sections {
    value {
      ...helpersCheckIfNewsSectionInFirstIndexSection
      ...entityLink
      name
      id
    }
  }
}

fragment contentShareWidgetContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  shortUrl
  socialHeadline
  headline
}

fragment contentSponsorTagContent on Content {
  __isContent: __typename
  ...helpersUseContentSponsorContent
}

fragment contentSubHeadlineContent on Content {
  __isContent: __typename
  subHeadline {
    json
  }
  summary {
    json
  }
  ...contentSchemaRenderContent
}

fragment contentSummaryContent on Content {
  __isContent: __typename
  __typename
  summary {
    text
  }
}

fragment contentTopicLinkContent on Content {
  __isContent: __typename
  topics {
    urlAlias
    ...entityLink
    ...topicLinkTopic
    id
  }
}

fragment discoveryWidgetPostMagazineQueueQuery on Query {
  postMagazineDiscoveryQueue: queue(filter: {name: "section_top_71"}) {
    items(first: 6) {
      edges {
        node {
          __typename
          ... on Article {
            entityId
            ...postMagazineDiscoveryItemContent
          }
          ... on Node {
            __isNode: __typename
            id
          }
        }
      }
    }
    id
  }
}

fragment entityFollowButtonBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  __typename
  ... on Section {
    entityId
    name
  }
  ... on Author {
    entityId
    name
    disableFollow
  }
  ... on Topic {
    entityId
    name
    disableFollow
  }
}

fragment entityLink on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  __typename
  entityId
  entityUuid
  urlAlias
  urlRedirect {
    toUrl
    id
  }
  application {
    entityId
    id
  }
  ... on Section {
    fullSectionPath {
      entityId
      id
    }
    parentSection
  }
  ...helpersAppBarVariantBase
  ...helpersApplicationBase
  ...helpersCheckIsPlusArticle
  ...helpersStyleSectionContent
}

fragment followButtonBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  ...entityFollowButtonBase
  entityId
}

fragment helpersAppBarVariantBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  ...helpersCheckIsLiveArticle
  ...helpersCheckIsPlusPage
  ...helpersCheckIsPostiesArticle
  ...helpersCheckIsPostiesPage
  ...helpersCheckIsPostMagazineArticle
  ...helpersCheckIsStyleArticle
  ...helpersSectionContent
  ...helpersStyleSectionContent
}

fragment helpersApplicationBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  ...helpersCheckIsPostiesArticle
  ...helpersCheckIsPostiesPage
  ...helpersCheckIsPlusPage
}

fragment helpersCheckHasLiveTagArticle on Article {
  flattenTypeIds
  liveArticle {
    status
    id
  }
}

fragment helpersCheckIfNewsSectionInFirstIndexSection on Section {
  name
}

fragment helpersCheckIsLiveArticle on Article {
  flattenTypeIds
  liveArticle {
    status
    id
  }
}

fragment helpersCheckIsMainTopicContent on Content {
  __isContent: __typename
  topics {
    entityId
    id
  }
}

fragment helpersCheckIsPlusArticle on Article {
  paywallTypes {
    entityUuid
    id
  }
}

fragment helpersCheckIsPlusPage on Page {
  urlAlias
}

fragment helpersCheckIsPostMagazineArticle on Article {
  sections {
    value {
      entityId
      id
    }
  }
}

fragment helpersCheckIsPostiesArticle on Article {
  sections {
    value {
      entityId
      id
    }
  }
}

fragment helpersCheckIsPostiesPage on Page {
  urlAlias
}

fragment helpersCheckIsStyleArticle on Article {
  sections {
    value {
      entityId
      id
    }
  }
}

fragment helpersMassageToNewsletterItemNewsletter on Newsletter {
  entityId
  name
  alternativeName
  description {
    text
  }
  summary {
    text
  }
  homepageDescription {
    text
  }
}

fragment helpersSanitizeArticleTypeEntityIdsArticle on Article {
  types {
    value {
      entityId
      id
    }
  }
}

fragment helpersSanitizeAuthorTypesArticle on Article {
  authors {
    types
    id
  }
}

fragment helpersSanitizedAuthorEntityIdsArticle on Article {
  authors {
    entityId
    id
  }
}

fragment helpersSectionContent on Section {
  fullSectionPath {
    entityId
    id
  }
}

fragment helpersStyleSectionContent on Section {
  fullSectionPath {
    entityId
    id
  }
}

fragment helpersUseContentSponsorContent on Content {
  __isContent: __typename
  topics {
    entityId
    sponsor {
      ...sponsorTagSponsor
      name
      type
      id
    }
    id
  }
  ... on Article {
    sponsorType
  }
  ...helpersCheckIsMainTopicContent
}

fragment homePrimaryContentItemContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  ...entityLink
  ...helpersCheckHasLiveTagArticle
  ...hooksContentItemProvidersContent_3ULXzP
}

fragment homeSecondaryContentItemContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  ...entityLink
  ...helpersCheckHasLiveTagArticle
  ...helpersUseContentSponsorContent
  ...hooksContentItemProvidersContent_1YUsN1
}

fragment hooksContentHeadlineTagContent on Content {
  __isContent: __typename
  ... on Article {
    types {
      value {
        name
        entityId
        description {
          text
        }
        id
      }
    }
    ...helpersCheckIsStyleArticle
  }
  flag
  sections {
    value {
      name
      id
    }
  }
  ...hooksContentHelperContent
}

fragment hooksContentHelperContent on Content {
  __isContent: __typename
  ...helpersSanitizeArticleTypeEntityIdsArticle
  ...helpersSanitizeAuthorTypesArticle
  ...helpersSanitizedAuthorEntityIdsArticle
  flag
}

fragment hooksContentItemProvidersContent_14w7Xi on Content {
  __isContent: __typename
  ...contentCoverImageContent_2m5Gjt
  ...contentHeadlineContent
  ...contentSummaryContent
  ...contentReadingTimeContent
  ...contentSponsorTagContent
  ... on Video {
    __typename
    ...videoDurationOverlayVideo
  }
}

fragment hooksContentItemProvidersContent_1YUsN1 on Content {
  __isContent: __typename
  ...contentActionBarContent
  ...contentCoverImageContent_2m5Gjt
  ...contentHeadlineContent
  ...contentLiveTagContent
  ...contentSectionsContent
  ...contentSubHeadlineContent
  ...contentSummaryContent
  ...contentTopicLinkContent
  ...contentSponsorTagContent
  ... on Video {
    __typename
    ...videoDurationOverlayVideo
  }
}

fragment hooksContentItemProvidersContent_3TpHBe on Content {
  __isContent: __typename
  ...contentActionBarContent
  ...contentHeadlineContent
  ...contentSectionsContent
  ...contentSubHeadlineContent
  ...contentSummaryContent
  ...contentTopicLinkContent
  ...contentSponsorTagContent
  ... on Video {
    __typename
    ...videoDurationOverlayVideo
  }
}

fragment hooksContentItemProvidersContent_3ULXzP on Content {
  __isContent: __typename
  ...contentActionBarContent
  ...contentCoverImageContent_2m5Gjt
  ...contentHeadlineContent
  ...contentLiveTagContent
  ...contentSectionsContent
  ...contentSummaryContent
  ...contentTopicLinkContent
  ...contentSponsorTagContent
  ... on Video {
    __typename
    ...videoDurationOverlayVideo
  }
}

fragment hooksContentItemProvidersContent_Y5tau on Content {
  __isContent: __typename
  ...contentActionBarContent
  ...contentCoverImageContent_4hzFNJ
  ...contentHeadlineContent
  ...contentSponsorTagContent
  ... on Video {
    __typename
  }
}

fragment hooksTopic on Topic {
  types
  sponsor {
    __typename
    id
  }
}

fragment hooksTopicWidgetQuery_49mQWb on Query {
  topic(filter: {entityId: $entityId}) {
    entityId
    ...hooksTopic
    ...topicAdsTopic
    ...topicMetadataDisplayTopic
    id
  }
  ...discoveryWidgetPostMagazineQueueQuery
  ...chinaScienceDiscoveryWidgetQuery
  ...hundredTopTablesDiscoveryWidgetQuery
  ...openQuestionsSeriesDiscoveryWidgetQuery_2uEaAo
  appConfig(filter: {entityId: "scmp_pwa_widget"}) {
    json
    id
  }
}

fragment hooksUseDeepLinkTagsBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  __typename
  urlAlias
  entityId
}

fragment hooksUseDynamicMetaTags on DynamicMetaTags {
  __isDynamicMetaTags: __typename
  metatags {
    key
    value
  }
}

fragment hundredTopTablesContent on Content {
  __isContent: __typename
  ...entityLink
  ...hooksContentItemProvidersContent_Y5tau
}

fragment hundredTopTablesDiscoveryWidgetQuery on Query {
  hundredTopTablesQueue: queue(filter: {name: "section_top_517759"}) {
    items(first: 5) {
      edges {
        node {
          __typename
          ... on Article {
            entityId
            ...hundredTopTablesContent
          }
          ... on Node {
            __isNode: __typename
            id
          }
        }
      }
    }
    id
  }
  hundredTopTablesSection: section(filter: {entityId: "517759"}) {
    ...entityLink
    id
  }
}

fragment imageContent on Content {
  __isContent: __typename
  headline
  ...checkersCheckContentContainsStarlingImageContent
}

fragment inlineWidgetContent on Content {
  __isContent: __typename
  ...contentNewsletterWidgetContent
}

fragment latestDiscoveryWidgetQueue on Queue {
  items(first: 6) {
    edges {
      node {
        __typename
        ... on Article {
          entityId
          ...homeSecondaryContentItemContent
        }
        ... on Node {
          __isNode: __typename
          id
        }
      }
    }
  }
}

fragment latestDiscoveryWidgetSection on Section {
  urlAlias
  name
  entityId
  parentSection
}

fragment openQuestionsSeriesDiscoveryWidgetQuery_2uEaAo on Query {
  openQuestionSeriesTopic: topic(filter: {entityId: "518656"}) {
    name
    urlAlias
    contents(exclude: {paywallTypeIds: $scmpPlusPaywallTypeIds}, first: 6, orderBy: {field: PUBLISHED_DATE, direction: DESC}) {
      edges {
        node {
          __typename
          ... on Article {
            entityId
            ...homeSecondaryContentItemContent
          }
          id
        }
      }
    }
    id
  }
}

fragment photoGalleryDialogContent on Content {
  __isContent: __typename
  __typename
  ...contentShareWidgetContent
}

fragment photoGalleryWidgetContent on Content {
  __isContent: __typename
  ...photoGalleryDialogContent
}

fragment postMagazineDiscoveryItemContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  ...articleCommentArticle
  ...entityLink
  ...helpersCheckHasLiveTagArticle
  ...helpersUseContentSponsorContent
  ...hooksContentItemProvidersContent_14w7Xi
}

fragment scmpYoutubeContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  publishedDate
}

fragment sectionTopLeadPrimaryContentItemContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  topics {
    ...followButtonBase
    id
  }
  ...entityLink
  ...contentCoverImageContent_34Njms
  ...helpersUseContentSponsorContent
  ...hooksContentItemProvidersContent_3TpHBe
}

fragment sponsorTagSponsor on Sponsor {
  name
  type
  images {
    url
  }
}

fragment topStoriesItemContent on Content {
  __isContent: __typename
  ...homePrimaryContentItemContent
  ...homeSecondaryContentItemContent
  ...helpersUseContentSponsorContent
}

fragment topicAdsTopic on Topic {
  entityId
  advertZone(version: 2)
}

fragment topicDescriptionTopic on Topic {
  ...topicHeaderRelatedLinksTopic
  ...entityFollowButtonBase
  ...hooksTopic
  ...topicMetadataDisplayTopic
  extraMetadata {
    __typename
  }
  ...entityLink
  mobileImage: image(type: MOBILE_APP_IMAGE) {
    style(filter: {style: "300x300"}) {
      url
    }
  }
  name
  description {
    text
  }
  chineseName
  updatedDate
}

fragment topicHeaderRelatedLinksTopic on Topic {
  ...hooksTopic
  relatedLink {
    title
    url
  }
  relatedTopics {
    name
    urlAlias
    id
  }
}

fragment topicHeaderTopic on Topic {
  ...topicHeaderRelatedLinksTopic
  ...entityFollowButtonBase
  ...hooksTopic
  ...entityLink
  mobileImage: image(type: MOBILE_APP_IMAGE) {
    style(filter: {style: "300x300"}) {
      url
    }
  }
  name
  chineseName
  sponsor {
    ...sponsorTagSponsor
    id
  }
}

fragment topicLinkTopic on Topic {
  ...entityLink
  name
  shortName
}

fragment topicMetadataDisplayTopic on Topic {
  ...hooksTopic
  extraMetadata {
    key
    value
    topic {
      name
      ...entityLink
      types
      urlAlias
      mobileImage: image(type: MOBILE_APP_IMAGE) {
        style(filter: {style: "300x300"}) {
          url
        }
      }
      id
    }
  }
}

fragment topicRestContentsTopic on Topic {
  entityId
  advertZone(version: 2)
}

fragment topicSeoTopic on Topic {
  name
  description {
    text
  }
  urlAlias
  metaDescription
  ...hooksUseDeepLinkTagsBase
  ...hooksUseDynamicMetaTags
}

fragment topicTopContentsTopic on Topic {
  entityId
  advertZone(version: 2)
}

fragment topicTopicPageTopic_44JfPG on Topic {
  contents(after: $after, exclude: {paywallTypeIds: $scmpPlusPaywallTypeIds}, first: $count, filter: {applicationIds: [$applicationId]}, orderBy: {field: PUBLISHED_DATE, direction: DESC}) {
    edges {
      node {
        __typename
        __isContent: __typename
        entityUuid
        ...homeSecondaryContentItemContent
        ...sectionTopLeadPrimaryContentItemContent
        ...topStoriesItemContent
        id
      }
      cursor
    }
    pageInfo {
      endCursor
      hasNextPage
    }
  }
  id
}

fragment videoDurationOverlayVideo on Video {
  duration
  sections {
    value {
      entityId
      id
    }
  }
}


types

extraMetadata

relatedLink

relatedTopics

image

description

chineseName

updatedDate

metaDescription

parentSection

json

section_top_71

section_top_328475

section_top_517759

‘Superstar’ Shanghai tops New York for first time in global science rankings

Half of top 20 research cities in annual Nature Index snapshot of most impactful scientific research are now in China.


China reclaims No 1 physics research spot from US as scientists fight it out: report

Research Fronts report assessing scientific activities and trends in major countries reveals intense rivalry as tech race heats up.


Chinese team’s cell turns ambient heat into power – no sunlight required

Researchers say their sealed hydrovoltaic cell could be used in harsh environments like deserts and in the dark.


China declares space milestone in launch of ‘self-driving’ radar satellites

Mapping satellites expected to provide data on natural resources, urban safety, emergency response and maritime affairs.


This robot jumps and lands like a cat. It could be used to explore asteroids

Team in northeast China used artificial intelligence to train the robot to adjust its posture mid-air using its legs.


How a Chinese lab aims to keep data hackers at bay with a new MCU design

Purple Mountain Laboratories says its new self-contained microcomputer is much more secure and ready to plug and play in industry.


Science

A culinary renaissance

Dish in Focus: Dim Sum Library’s dan dan xiao long bao

Your Hong Kong weekend food guide for November 21-24

Dish in Focus: Why the smoked butter chicken at Leela stands out from the rest

Your Hong Kong weekend drinks guide for November 15-24

Trump, Cop29 and why Chinese eco-warrior Ma Jun sees green shoots of hope

NGO founder explains how mapping initiative helps hold authorities and companies accountable for carbon emissions and cover-ups.


Historian Jay Winter on why we aren’t heading towards WWIII yet and how wars have changed

US historian Jay Winter explains how the nature of war shifted after WWI and WWII, and the impact it has on the world today.


Middle East ‘the best place’ for China and US to cooperate, observer says

Prominent academic Pan Guang gives his view on Beijing’s role in conflict mediation, its engagement with the Global South, and belt and road security.


China’s property bender has led to long, tough hangover: economist Mao Zhenhua

Chinese economist Mao Zhenhua, who was among the first to spot weaknesses in the country’s real estate sector, says the era of large-scale construction which fuelled the property crisis has ended.


Justin Lin Yifu on China’s third plenum, overcapacity and avoiding Japan’s fate

Professor and economist Justin Lin Yifu says China’s industrial policy is paramount to continued development, tech innovation and the transition to higher productivity.


Why this China analyst says full decoupling is unlikely, and what’s missed in reform talk

Founder of Gavekal Dragonomics says efforts to dislodge China from global supply chains are unlikely to succeed and discussions of ‘reform’ from outside the country often miss vital context.


Open Questions series

St Vincent has always crafted her own identity – she reveals how her new album continues the process

Ahead of her Hong Kong debut, at Clockenflap, American singer and musician St Vincent talks life, death, love and identity.


The unlikely story behind Mr Potato Head

Before Disney’s Toy Story films, the Hasbro product was the first toy advertised on television, and also the first marketed directly to kids – Baby Boomers, to be precise.


How Hong Kong’s cultural hub came to be ... thanks to one man’s fascination with an abandoned building

In his new book, Benny Chia, founder of The Fringe Club, recounts his obsession with a building that became the heart of Hong Kong’s cultural life


7 tips for stress-free travel, from proper hydration to comfy headphones

Reduce anxiety and enjoy your trip by packing the essentials and giving yourself extra time, so that you arrive at your destination in a relaxed mood.


Alt-rock veterans Suede still love Hong Kong – and hate Britpop

Brett Anderson and Mat Osman on the band’s 10th album, writing books and music, and putting their egos aside for the ‘weird Suede figurehead’.


Jaguar just announced a rebrand – what does this mean for heritage brands and consumer identity?

Heritage brands like Jaguar and Campbell’s possess an identity that makes an impression on the consumers that engage with them – so where does rebranding leave these iconic companies and their fans?


China starts drilling second 10,000-metre hole in search of oil and natural gas

‘Two sessions’ 2022: China urged to ‘accelerate’ mining at major lithium deposits, including in Sichuan

Sichuan province has one of China’s richest and most accessible reserves of lithium, and mining more of the critical resource there would reduce the nation’s dependency on imports.


Is China’s lithium quest fuelled by business or politics, and how far will it go to secure ‘white gold’?

South America’s Lithium Triangle contains more than half of the world’s reserves of the critical metal that is used in batteries, but its sourcing has been politicised amid geopolitical tensions with the West.


Stake in huge iron ore mine in Guinea may cut China’s dependence on Australia

Project will help diversify China’s supply chain but won’t cut out Canberra completely, analysts say.


Natural Resources

China drilling 10,000-metre hole in hunt for energy resources

China’s lithium industry calls to ‘accelerate’ exploitation of major deposits

Lithium is the new oil – and China’s heavy demand for it is creating tension

Huge iron ore mine in Guinea may cut China’s dependence on Australia

Project will help diversify China’s supply chain but won’t cut out Canberra completely, analysts say.

Thailand taps groundwater amid droughts

China turns to artificial sand

China-Russia gas pipeline turned on

China’s deepest onshore gas field opens