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Shandong Zhongda Metal Products Co., Ltd. [Tel: 0635-8882800 Mobile: 15563579567] focuses on the research and development and production of precision seamless pipes and precision special-shaped steel pipes, mainly producing high-precision cold-drawn and cold-rolled precision seamless steel pipes;Hexagonal steel pipe, hexagonal steel pipe, hexagonal hollow steel pipe, outer circle inner hexagonal pipe, outer circle inner four angle steel pipe, outer circle inner spline steel pipe, outer circle inner elliptical steel pipe, outer circle inner special-shaped steel pipe, non-standard customized
www.sdzdsteel.com 2023-10-18
