Suzhou Seamless Steel Tube Works

Name: Measurement Conformity Certificate
Certificate No: 051165
Range: Measurement work in product quality, management and administration conform to the requirements stipulated in "Specifications for Measurement Conformity Confirmation of Jiangsu Province".
Reference: Issued by Jiangsu Province Quality Inspection Bureau.

Name: Mill Test Certificate (EN10204/3.1C)
Certificate No: 402-67
Range: Seamless tubes, anneal.
Reference: Issued by Lloyd's Register.

Name: ISO9001 Certificate
Certificate No: EQAICC-Q-R2206
Range: Production and sales of fasteners as stainless steel bolts and screws.
Reference: Issued by EQAICC.

Name: API 5L
Certificate No: 5L0566
Range: PSL1, PSL2
Reference: American Petroleum Institute

Name: API 5CT
Certificate No: 5CT-0810
Range: Casing or tubing
Reference: American Petroleum Institute

Name: PED
Certificate No: QAC0051022/A
Range: Carbon steel & alloy steel pipes
Reference: UKAS Quality Management

Name: ISO/TS 16949:2002
Range: Carbon steel & alloy steel pipes
Reference: Loyd's Register Quality Assurance (Shanghai)

Name: ISO 9001:2000
Range: Carbon steel & alloy steel pipes
Reference: Loyd's Register Quality Assurance (Shanghai)