Qingdao Yongxin Metal Products Co.,Ltd is a company specializing in the production of fasteners. In particular, the company focuses on the production of various types of GB,non-standard shaped bolts, nuts, self-tapping screws, drilling screws, drywall screws, chipboard screws, combination screws, rivets, nuts, flat washers, spring washers, U-bolts and other products, which are located M0.8—M30 about the specification with GB, German standard DIN, ANSI IFI, Japanese standard JIS standards.

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