XI'AN KOSUN Machinery Co., Ltd, short for KOSUN, is a professional solid control system and equipment manufacturer for petroleum drilling industry.KOSUN was established in 1992, and was one of the earliest solid control equipment manufacturer in China. The company mainly manufactures shale shakers, desanders, desilters, degassers, centrifugal pumps, agitators, mud tanks centrifuges and complete solid control system.