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rel="nofollow" Products: low carbon steel, medium carbon steel, stainless steel, bearing steel, alloy steel, cutting steel, copper, aluminum, etc. Product technical standards, JIS, GB, DIN, 15, HES KIS and customers of different kinds of enterprise standards.rel="nofollow"
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rel="nofollow" Product surface: cr (3NiCr), nickel, zinc (Ni) (black, white, green color, zn, fe, zn) nickel, oxidation, dacro. Galvanization passivation for cr3 + and hexavalent chromium passivation technology.The locking pin