Tel: 86-22-2692 0801 Mob: 86-155 1087 0308 Email: info@shuangjie.com
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.
Add: East Railway, North Yinhe Bridge, Beichen District, Tianjin, China
Tel: +86-155 1087 0308
Email: info@shuangjie.com
Wechat: 15022175682
QQ: 1801498696
SKYPE:renhuan19880320
Linkedin:15022175682
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