Shengde Seamless Steel Tube Co., Ltd.

Name: Manufacture License of Special Equipment People's Republic of China
Certificate No: TS2710G20-2012
Range: seamless steel pipe
Reference: General Administration of Quality Supervision, Inspection, and Quarantine of The People's Republic of China

Name: Quality Management System Certificate
Certificate No: 02205Q10098R2M
Range: SMLS and SMLS stainless steel pipe for struture, fluid, low and medium pressure boiler, high pressure boiler, etc.
Reference: Beijing Grand Honour Management System Certification Co., Ltd.

Name: Certificate of Authority to use the Official API Monogram
Certificate No: 5L-0645
Range: Manufacturer of Line Pipe End at PSL 1; Processor of Line Pipe Plain End at PSL 1
Reference: American Petroleum Intitute

Name: Certificate of Authority to use the Official API Monogram
Certificate No: 5CT-0946
Range: Manufacturer of Casing or Tubing Plain End; Processor of Casing or Tubing Plain End at Group 1
Reference: American Petroleum Institute

Name: Corporate Credit Rating Certificate
Certificate No: NO.6205020005
Range: Comprehensive enterprise credit investigation
Reference: Lianhe Credit Information Service Co., Ltd., Jiangsu Branch