云南快乐10分计算公式 > Product > API 5L GRB/ X70 > Hot sale API 5L X60 HFW pipe

    云南快乐10分分布图:Hot sale API 5L X60 HFW pipe

  • Category:
    API 5L GRB/ X70
  • Browse number:
    1102
  • Release time:
    2018-10-30 15:02:41
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云南快乐10分计算公式 www.pxlrrk.com.cn

Tianjin Shuangjie Steel Pipe Co., Ltd

Your reliable ERW steel pipe supplier 

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Certification status

   In March 1997, obtained ISO9001 international quality system certification.

   In February 2001, obtained the American Petroleum Institute API 5L product certification.

   In March 2008, obtained two product certifications from American Petroleum Institute API 5L and 5CT.

   In August 2007, obtained the A2 pressure pipe component manufacturing license.

   In September 2009,obtained  the A1 pressure pipe component manufacturing license

   In February 2009, obtained EU CE PED certification

   In July 2012, obtained EU CE CPD certification

   In May 2012, obtained the Korean Standards Association KS F 4602 product certification.

   In May 2012, obtained the Korean Standards Association KS D 3507 product certification.

   In May 2012, obtained the Korean Standards Association KS D 3562 product certification.

   In December 2013, the company obtained the JIS product certification from the Ministry of  Industry of Japan.


Contact Us

Claire Ren

Business Manager

Tel:15510870308

Email:[email protected]

QQ:1801498696

WeChat:15022175682

Fax:022-26970490

Skype:renhuan19880320  

   Ma Liang

Business Manager

Tel:15502231718

Email:[email protected]

QQ:21583980

WeChat:13642188270

Fax:022-26970490



Place of origin: Tianjin
Product name: API 5L X60 HFW pipe
Application: Structure
Type: Round
Certificate: ISO
Brand name: Shuangjie

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Contact Information

China Office

AddEast Railway, North Yinhe Bridge, Beichen District, Tianjin, China


Tel: +86-155 1087 0308


Email: [email protected]


Wechat: 15022175682


QQ: 1801498696


SKYPE:renhuan19880320


Linkedin:15022175682



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