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With more than 30 years experience in the industry, we have developed several series of parts, like precision locknuts, standard locknuts, spherical washers, conical seats, parallel keys, woodruff keys…

E-mail : info@ruianjiulong.com

       jiulongsharry@gmail.com

Phone  : 0086-577-65298379

Fax      : 0086-577-65296879


Standard parts

R & D parts

Customer design parts


PATENT 

ISO/TS 16949:2009


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