Sino-NSH Oil Purifier Manufacture Co., Ltd is a high-tech Company which is engaged in researching, developing and manufacturing lubrication purification equipment. Its parent company, Sino-NSH High-Tech Company, was established in 1992. NSH is located at Chongqing China where the third biggest river of the world, Yangtse, passes through it. The transportation is very convenient. 　NSH regards technical innovation and satisfying service as