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The co***ny is located in convenient transportation, industrial development in Yuyao, Ningbo, with high-speed cold pier machine, drill tail screw forming machine, thread rolling machine, metal punch press and advanced optical ***ection equipment. Specializing in the production of various specifications of copper, iron, aluminum, stainless steel machine screws, self tapping screws, drilling screws, rivets, bolts, cold heading, non standard screws and metal stampings. Screw standard, GB, DIN, JIS, American St...
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