Sino-NSH Oil Purifier Manufacture Co., Ltd. is a high-tech company which is engaged in researching, developing and manufacturing lubrication purification equipment. Our parent company, Sino-NSH High-Tech Company, was established in 1992. NSH is located in Chongqing City. The transportation is very convenient. NSH emphasizes technical innovation and satisfying services. Taking advantage of human resources capital and absorbing domestic and foreign advanced purification technology, NSH is ...