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Why Can We Always Ensure Excellent Quality

Quality Control

Testing Center

Our company's testing center has various experimental equipment, including Rockwell hardness testers,

metallographic microscopes, coordinate measuring machines, yield testing benches, bending testers,

tensile testers, high-density ultrasonic flaw detectors, light cutting microscopes, vertical optical meters,

and other professional equipment; The testing center currently has 15 professional testing personnel,

including 5 quality engineers and 2 quality chief engineers, all of whom have higher degrees.

Hunan Liangming Metal Material Co., Ltd.

Hunan Liangming Metal Material Co., Ltd.Hunan Liangming Metal Material Co., Ltd.

Hunan Liangming Metal Material Co., Ltd.Hunan Liangming Metal Material Co., Ltd.

Certification

Hunan Liangming Metal Material Co., Ltd. Certifications
Standard: MILL TEST CERTIFICATE
Number: LM20230728001
Issue Date: 2024-02-06
Expiry Date: 2023-11-30
Issued By: HUNAN LIANGMING METAL MATERIAL CO.,LTD
Hunan Liangming Metal Material Co., Ltd. Certifications
Standard: CERTIFICATE OF REGISTRATION
Number: 33923Q14041ROS
Issue Date: 2023-08-18
Expiry Date: 2026-08-17
Scope/Range: Processing of scaffolding,scaffolding plank and its access or ies
Issued By: ZQHX CER TIFICATION CENTER CO..LTD
Hunan Liangming Metal Material Co., Ltd. Certifications
Standard: SGS TEST REPORT
Number: BJIN1910016222ML
Issue Date: 2023-08-17
Expiry Date: 2024-08-17
Scope/Range: scaffolding plank,scaffolding tube
Issued By: SGS-csTc Slandards TechnicalServices(Beijin) Co., Ltd
Hunan Liangming Metal Material Co., Ltd. Certifications
Standard: Certificate of Authority to use the Official API Monogram
Number: 5CT-0792
Issue Date: 2021-04-15
Expiry Date: 2025-03-14
Scope/Range: STEEL PIPE
Issued By: The American Petroleun nstitute
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