Boyuan Technology Co., Ltd. is a privately held company established in 2005, located in southern China.We are professional manufacturer with quality assurance system and we produce bearings and heavy-duty spare parts of:-Bearing-Universal-Joint-Air Brake Chamber (T16, T20, T24, T30, T20LS , T24LS, T30LS)-Spring Brake Chamber (T24/24, T24/30 , T30/30, T24/30LS)-Slack adjusterWe also can supply Pillow Block, CV-Joint, U-bolt, Spring, Leaf Spring, Brake shoe, Brake drum etc.