Established in 2012, Beijing Anchor Machinery Co., Ltd is a leading manufacturer of hydraulic systems and equipment, with a manufacturing base in Hebei Yanshan City, and an office in Beijing. Among the products that the company produces is the flushing valve or the exchange valve used in bleeding the hot oil towards a cooler in the hydrostatic transmission. The flushing valve’s regular use increases the fluid quality, regulating the hydraulic circuit temperature, and prolonging the transmission’s life span.