![]() Mr. Wu Mobile Phone: +86-13507365068 Telephone: +86-736-2891789 Material: aluminum, low carbon steel, 304; Surface treatment: Color zinc plating, blue & white zinc, black zinc, trivalent chromium; Nominal diameter: M3-M12; Nominal length: 8.5-30mm |
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![]() Ren Yonghui Mobile Phone: +86-18027324588 Telephone: +86-20-39962378/39973905 Material: stainless steel 304、 316、 carbon steel, aluminum alloy, copper; Specifications:M3-M12 |
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