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Case Location >API Certificate Clients
 

Jiangsu Yaxing  Anchor Chain Co., Ltd API 2F 、 API Q1
Baoda Tubular Goods Producing Ltd., Co. API 5CT
Baogang Group Shanghai Steel Pipe Co., Ltd API 5CT
Shanghai Baoshun Steel Tube Co., Ltd. API 5CT
Wuxi Seamless Steel Pipe Co.,Ltd API 5CT
Suzhou Friend Tubing and Casing Pipe Co., Ltd. API 5CT
Shanghai Baofu Steel Tube Co.,Ltd API 5CT
Shanghai Hongshun Tube Manufacturing Co., Ltd API 5CT
Shanghai Fanzhengrong Steel Pipe Co.,Ltd API 5CT
Wuhan Wugang Group Hanyang Steel Factory API 5CT
Tonghua Iron & Steel (Group) Panshi Seamless Steel Tube Co., Ltd API 5CT
Shanghai Yuezhou Steel Pipe Co., Ltd API 5CT
  Benxi Northern Steel Pipe Co. Ltd. API 5CT
Daqing Yilang Site Petroleum Special Pipe Co., Ltd. API 5CT
Wuxi Seamless Steel Pipe Co.,Ltd API 5CT、 5L、Q1
Jiangyin City Seamless Steel Tube Factory API 5CT、 5L
Hebei Zhongyuan Steel Pipe Manufacturing Co., Ltd. API 5CT、 5L
Wuxi Zhenda Special Steel Tube Manufacturing Co., Ltd API 5CT 、5L API Q1 Plus
Changzhou Darun Steel Tube Co., Ltd. API 5CT、 5L
Shanghai Yueyuechao Manufacture Tube Co., Ltd API 5CT、 5L
Jiangsu Huashun Steel Pipe Co., Ltd. API 5CT 、5L
Jiangyin Jieda Shaped Tube Co., Ltd. API 5CT 、5L
 Suzhou Seamless Steel Tube Works  API 5CT 、5L
Wuxi Dexin Steel Pipe Co., Ltd. API 5L CE
Cangzhou Xinyida Steel Pipe Co., Ltd. API 5L
Ningbo Jun-Cheng Metal Pipe Co., Ltd API 5L
Zhejiang Xinda Electric Power Steel Tube Co., Ltd API 5L
Zhejiang Baolong Valve Manufacturing Co.,Ltd API 600
Yancheng Jigao Petroleum Machinery Co., Ltd. API 6A 16C
Nantong High & Medium Pressure Valve Co., Ltd API 6A
Shanghai Lixing Valve Manufacture Factory API 6A
Boteli Valve Group Co., Ltd. API 6A
Nanjing Enport Valve Manufacture Co., Ltd API 6A 、6D
Shanghai JF Petroleum Machinery Co., Ltd. API 6A、 6D ISO 9001、API Q1
Zhejiang Wuzhou Valve Co.,Ltd API 6A 、6D
Boteli Valve Group Co., Ltd. API 6A 、6D
Frvalve (Suzhou) Corp. Ltd. API 6A、 6D、CE
Shanghai Valve factory API 6D
Shuangda Valve Co., LTD API 6D
Shanghai Zhengfeng Valve Co., Ltd API 6D
Zhejiang Ouqiu Valve Co.,Ltd API 6D、Q1、ISO 9001、TS 29001
Yancheng Dianzhan Valve factory API 6D
Shanghai Koko Valve Co., Ltd. API 6D
Kaifeng Ruifa High & Middle Pressure Valve Factory API 6D
Nanjing Enport Valve Manufacture Co., Ltd API 6D、6A
 Jianhu East Valve Manufacturing Co., Ltd. API 6D 602
Suzhou Industrial Park Stard Valve Co., Ltd. API 6D
Wuhan Boiler Group Valve Co., Ltd API 6D
Shanghai Kaigong Valve Co.,Ltd API 6D
Shanghai Mecco Valve Co., Ltd API 6D
Shanghai Far East High & Medium Pressure Valve Co., Ltd. API 6D
Hubei High & Middle Pressure Valve Co., Ltd API 6D
Sichuan Saier Valve MFG Co., Ltd API 6D
Tianjin Tiansheng Petroleum Pipe Manufacturing Co. API 6D
Liaoning Zhonghe Science and technology Industry Co.,Ltd API 6D
  Jiangsu Province Changzhou Global Valve Plant API 6D
Ningbo Xinsheng Valve Co.,Ltd API 6D
Shanghai (Jinji Group) Jinji Valve Piping Mfg. Co., Ltd. API 6D
Henan Gaoshan Valve Co., Ltd. API 6D
Zhejiang Jingjia Valve Co., Ltd. API 6D、CE
Shoulong metals Foundry Co.,Ltd API 6D 、 ISO 14000
Henan Kaifeng High Pressure Valve Co., Ltd. API 6D 、 ISO 9001
China Hebei Canghai Pipe Fitting Group Co. Ltd API 6H、API Q1 PLUS
Mudanjiang Universal Downhole Tools Dier Factory API 7
  Mudanjiang Hongda Petroleum Tools Co., Ltd API 7
Northwest General Rubber Factory API 7K
Shanghai Weilun Machinery Co., Ltd. API 7K
Shengli Oil Field Highland Petroleum Equipment Co., Ltd. API 7K
Tianjin Pengzhan Steel Pipes Co., Ltd. API 7K、8A
Jiangsu Xinxiang Petroleum Machinery Co., Ltd API 7K、8A
Jiangsu Xinxiang Share Co., Ltd. API 8C
Jiangsu Huaneng Cable Co., Ltd. API 9A
Jiangsu Shenwang Metal Products Co., Ltd API 9A
Angang Group Steel Wire Rope Co.,Ltd API 9A
  Jiangsu Fasten Co., Ltd API 9A
Baotou Liande Oil and Mechanical Co., Ltd. API 11B
Ruian Jusheng Machinery Co., Ltd. API 11B
Shandong Laizhou Meizhong Machinery Co.,Ltd API 11B
Zhejiang Weiqixin Oil and Mechanical Co., Ltd. API 11D
MSP/Drilex API 11E
Shandong Jinli biology manufacture Co.,Ltd API 13A ISO 14000    
Drilling Technology Research Institute, Shengli Petroleum Administrative Bureau, SINOPEC API 14A
Zhejiang Weiqixin Oil and Mechanical Co., Ltd. API 14A、Q1、11D
Lianyungang Zhongfu Lianzhong Composites Group Co., Ltd API 15HR
Shengli Oilfield Supply Fangyuan Petroleum Facility Co., Ltd. API 16A、16C、6A
Yancheng Jigao Petroleum Machinery Co., Ltd API 16C、 6A
Shanghai JF Petroleum Machinery Co., Ltd API Q1 PLUS、API 6A、 6D
Wuxi Zhenda Special Steel Tube Manufacturing Co., Ltd API Q1 Plus、 API 5CT 、5L
Jiangsu Yaxing  Anchor Chain  Co., Ltd API Q1 Plus 、API 2F
Zhejiang Ouqiu Valve Co.,Ltd API Q1 Plus、 API 6D
Jinan Magang Steel Pipe Manufacturing Co., Ltd. API Q1 Plus
Yingkou Double Dragon Petroleum Equipment Co., Ltd. API Q1、19B
Dafeng Anfei Cast Steel Factory API Q1 Plus
Wuxi Zhenda Special Steel Tube Manufacturing Co., Ltd API Q1、ISO 9001、TS 29001、API 5L、5CT
Hubei Hongcheng General Machinery Co., Ltd API Q1、ISO 9001、TS 29001
China Hebei Canghai Pipe Fitting Group Co. Ltd. API Q1、ISO 9001、TS 29001、API 6H
Wuxi Xuelang Steel Group Co., Ltd API Q1、ISO 9001、TS 29001
Shengli Oil Field Highland Drill Tool Co., Ltd. API Q1、ISO 9001
Daqing Harvest Longwall High Pressure FRP Pipe Co., Ltd. API Q1、15HR、ISO 9001、TS 29002
Zhejiang Weiqixin Oil and Mechanical Co., Ltd. API Q1、14A、11D、ISO 9001 、TS 29001
Wuxi Seamless Steel Pipe Co.,Ltd API Q1、5CT、5L、ISO 9001、TS 29001