We have exported our products to Korea, Turkey, Bulgaria, Romania, Russia, Italy, Norway, the United states, Canada, and so on. We will give best services and substantial top quality items with all sincerity. With several years’ knowledge in these strains, we have been distinguished from other suppliers in China by our rewards in aggressive pricing, on-time shipping, prompt responses, on-hand engineering help and good right after-income companies. Deep groove ball bearings U groove pulley wheels with bearings for slide doorway