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Why Can We Always Ensure Excellent Quality

Quality Control

100% QUALITY ASSURANCE COMMITMENT

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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.

Certification

Sindara Steel Co.,Ltd Certifications
Standard: ISO9001
Number: 04322Q32990R0S
Issue Date: 2022-12-15
Expiry Date: 2025-12-14
Scope/Range: steel pipe and steel
Issued By: Beijing United Intelligence Certification Co., Ltd
Sindara Steel Co.,Ltd Certifications
Standard: ISO14001
Number: 04322E32245R0S
Issue Date: 2022-12-15
Expiry Date: 2025-12-14
Scope/Range: Sales of steel pipes and steels and related management activities
Issued By: Beijing United Intelligence Certification Co., Ltd
Sindara Steel Co.,Ltd Certifications
Standard: ISO45001
Number: 04322S42140R0S
Issue Date: 2022-12-15
Expiry Date: 2022-12-15
Scope/Range: Sales of steel pipes and steels and related management activities
Issued By: Beijing United Intelligence Certification Co., Ltd
Sindara Steel Co.,Ltd Certifications
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
Sindara Steel Co.,Ltd Certifications
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
Sindara Steel Co.,Ltd Certifications
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
Sindara Steel Co.,Ltd Certifications
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
Sindara Steel Co.,Ltd Certifications
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
Sindara Steel Co.,Ltd Certifications
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
Sindara Steel Co.,Ltd Certifications
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
Sindara Steel Co.,Ltd Certifications
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
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