Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as the theory of "quality the basic, believe in the 1st and management the advanced" for 20mm Ball Bearing, Ball Bearing 6307, Ball Bearing Lead Screw, Roller Chain Working Load,Drives Roller Chain. We warmly welcome all standpoint inquiries from home and abroad to cooperate with us, and anticipate your correspondence. The product will supply to all over the world, such as Europe, America, Australia,Bangladesh, Norway,Namibia, Naples.With good quality, reasonable price and sincere service, we enjoy a good reputation. Products are exported to South America, Australia, Southeast Asia and so on. Warmly welcome customers at home and abroad to cooperate with us for the brilliant future.