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Domestic pipe: +86-20-86847851
Fax: +86-20-86847856
E-MAIL: market@winner-steel.com
Export pipe: +86-20-36873666
Fax: +86-20-36873669


Business philosophy
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     With the tenet of "customer first, full participation in quality management", the company continuously introduces advanced testing equipment, cultivates high-quality talents and strengthens quality management. The product complies with China GB, Japan JIS, American ASTM, German DIN and other specifications.
The company fully implements ISO9001 quality management system and ISO14001 environmental management system. It has passed the German RWTUV, China Fangyuan Certification, and GB12770, GB/T12771 product quality certification. And set up a quality assurance department directly responsible to the general manager, strictly control all quality inspections, improve quality control measures, improve the concept of quality assurance of all employees to ensure zero defects in products.
The company has advanced testing equipment, such as universal material tensile testing machine, hardness tester, metallographic analyzer, hydraulic testing machine, eddy current testing machine, chemical composition testing equipment, etc., to ensure that the performance of manufactured products meets international standards and meets customers. The most stringent requirements.
"Levels of quality, everyone is quality control" This is the essence of Yongda people's quality management, strict quality management, and created excellent quality products.