Quality

100% QUALITY ASSURANCE COMMITMENT

----------------------------------------------------------------------

We strictly accordance wih the ISO 9001 quality management system for on-site management, has obtained lSO 9001, ISO 14001, ISO45001, CE, AAA level credit rating certificaton,etc Our products have been inspected and approved by SGS,BV,MOODY,TUBOSCOPE and other international authoritative third-party organizations. 

 

1. Raw materal inspection: dimension and tolerance check appearance qualty check, mechanical properties testing. weight check and raw materials quality assurance certificate check.

 

2. Semi-finished goods inspection: physical and chemical inspection, leakage magnetism and ultrasonic inspection.

 

3. Finished goods inspection: dimension and tolerance, appearance quality check and mechanical properties testing.

 

4. Inspection before ex fectoy: We arrange our QC staff to manufacture's plant for final quality and packing inspection each time before we deliver goods to port for shipping, and the connected sales staff will be with QC staff to make sure we did everything fully and strictly meet our customer's requirments.

Standard: ISO9001 Number: UQ250162R0 Issue Date: 2025-03-28 Expiry Date: 2028-03-28 Scope/Range: steel pipe and steel Issued By: Beijing United Intelligence Certification Co., Ltd

Standard: ISO14001 Number: UE250069R0 Issue Date: 2025-03-28 Expiry Date: 2028-03-28 Scope/Range: Sales of steel pipes and steels and related management activities Issued By: Beijing United Intelligence Certification Co., Ltd

Standard: ISO45001 Number: US250042R0 Issue Date: 2025-03-28 Expiry Date: 2028-03-28 Scope/Range: Sales of steel pipes and steels and related management activities Issued By: Beijing United Intelligence Certification Co., Ltd

Standard: Certificate of enterprise credit grade Number: HXZC201913500 Issue Date: 2019-05-27 Expiry Date: 2025-11-30 Scope/Range: Enterprise credit rating Issued By: Huaxia Zhongcheng(Beijing) International Credit Evaluation Co., Ltd

Standard: Patent Certification Number: ZL 2023 1 1753425.5 Issue Date: 2024-03-12 Expiry Date: 2044-03-12 Scope/Range: Power delivery device for Anti-Corrosion Steel Pipe Issued By: China National Intellectural Property Administration

Standard: Patent Certification Number: ZL 2020 1 0942464. X Issue Date: 2022-06-03 Expiry Date: 2042-06-03 Scope/Range: Canned polyurethane processing equipment for Anti-corrosion steel pipe Issued By: China National Intellectural Property Administration

Standard: Patent Certification Number: ZL 2021 1 0092360. 9 Issue Date: 2022-06-03 Expiry Date: 2042-06-03 Scope/Range: Automatic spraying device for coated steel pipe Issued By: China National Intellectural Property Administration

Standard: Patent Certification Number: ZL 2020 2 2539769. 4 Issue Date: 2021-07-09 Expiry Date: 2031-07-09 Scope/Range: Chamfer equipment for large diameter steel pipe Issued By: China National Intellectural Property Administration

Standard: Patent Certification Number: ZL 2020 2 2526897.5 Issue Date: 2021-07-09 Expiry Date: 2031-07-09 Scope/Range: delivery material machine for large diameter steel pipe Issued By: China National Intellectural Property Administration

Standard: Patent Certification Number: ZL 2020 2 2480454. 7 Issue Date: 2021-07-09 Expiry Date: 2031-07-09 Scope/Range: fixture for large diameter steel pipe Issued By: China National Intellectural Property Administration

Standard: Patent Certification Number: ZL 2020 2 2481975. 4 Issue Date: 2021-07-09 Expiry Date: 2031-07-09 Scope/Range: fixture for oxyacetylene cutting Issued By: China National Intellectural Property Administration

Standard: Patent Certification Number: ZL 2020 2 2559849. 6 Issue Date: 2021-07-09 Expiry Date: 2031-07-09 Scope/Range: fixture for steel pipe machining Issued By: China National Intellectural Property Administration

Standard: trademark brand certification Number: HNTB20231337 Issue Date: 2023-08-11 Expiry Date: 2026-08-11 Scope/Range: Well-known trademark brand Issued By: Hunan Province trademark brand association

Standard: Honorary credential Number: Issue Date: 2023-10-28 Expiry Date: 2033-10-28 Scope/Range: Honorary credential for excellent supplier Issued By: Hunan Road and Bridge Construction Group

Standard: New material enterprise certificate Number: Issue Date: 2022-10-06 Expiry Date: 2025-10-06 Scope/Range: New material for steel pipe Issued By: Hunan Provincial Department of Industry and Information Technology

Standard: Credit rating assignment certificate Number: 430020240910A07796 Issue Date: 2024-09-10 Expiry Date: 2025-09-09 Scope/Range: Credit Rating Certificate Issued By: Hunan enterprise credit evaluation center

Standard: ENVIRONMENTAL MANAGEMENT SYSTEM Number: UE250069R0 Issue Date: 2025-03-28 Expiry Date: 2028-03-27 Scope/Range: Sales and related management activities of steel pipes, section steel, steel plates, and stainless steel Issued By: Beijing United Intelligence Cetication Co.,Ltd

Standard: Number: Scope/Range: Issued By:

Standard: OUALITY MANAGEMENT SYSTEM Number: U0250162R0 Issue Date: 2025-03-28 Expiry Date: 2028-03-27 Scope/Range: Sales ofsteel pipes, section steel, steel plates, and stainless steel Issued By: Beijing United Intelligence Cetication Co.,Ltd

Standard: OCCUPATIONALHEALTH AND SAFETY Number: US250042R0 Issue Date: 2025-03-28 Expiry Date: 2028-03-27 Scope/Range: Sales and related management activities of steel pipes, section steel, steel plates, and stainless steel Issued By: Beijing United Intelligence Cetication Co.,Ltd