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Three-way stopcock patent
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Throttle patent
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Steam control valve patent
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Differential pressure valve seal patent
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Three forged steel ball valve patent
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Oil cooler switching valve patent
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TS
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Gas trap patents
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Oil seal gate valves
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Enterprise group registration certificate
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The business license of the original
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Tax registration certificate
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Opens an account licence
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API
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CE
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21315
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Refractory card
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Refractory card
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Nondestructive testing secondary certificate
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Nondestructive testing secondary certificate
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Guo Jianda special equipment inspector certificate
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Zheng-chun liu inspector certificate of special equipment
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Xu Liang nondestructive testing certificate
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The valve of trademark
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Shangfeng trademark license
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Qualified to confirm the certificate
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UHZ explosion-proof certificate
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UQK explosion-proof certificate
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China Petroleum and Petrochemical Equipment Industry Association
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SAIC - Valve Group
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SAIC - Automation
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Chemical Equipment Corporation
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China Power Parts Network
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Huaneng qualified suppliers certificate
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Military Procurement Certificate
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China Construction Association recommended products
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Chinese city gas association
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China Construction Metal Structure Association water supply and drainage equipment branch members
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China Construction Metal Structure Association recommended products
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China Construction Metal Structure Association recommended products
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Ball valve
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Globe valve
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Gate valves
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Check valve
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Oil seal gate valves
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Natural gas trap
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Chinese credit enterprise certification system demonstration unit
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The character of Chinese special contribution to the development of low-carbon economy
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China quality association, deputy director of the national committee
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China Product Quality Association members
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CCTV Honor
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Insurance
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Inspection report ball valve 100 kilograms
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Inspection report of oil seal 100 kilograms
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Inspection report gate 100 kilograms
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CE
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ISO9
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ISO14
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ISO14001
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ISO18001
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The safety management in Chinese
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ISO valve group
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ISO automation
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Group level supplier member certificate (China huadian)
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Environmental management in Chinese
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Group level supplier member certificate (China huadian)
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Business license
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Organization Code Certificate