Zhangjiagang Sheng Ding Yuan group - Suzhou, China

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Zhangjiagang Shengdingyuan Pipe-making Co.,ltd is a modern enterprise manufacturing DIN2391/C-94/EN10305-4 high precision cold drawn carbon seamless steel tube,hydraulic steel tubing,ISO8535-1 high pressure fuel injecting tube for the engine,galvanized precision steel tube,precision seamle

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