Sino-NSH oil purifier manufacture Co., Ltd., is a high-tech Company which is engaged in researching, developing and manufacturing oil purification equipment. Its parent company, Sino-NSH High-Tech Company, was established in 1992 which is located at Chongqing, the forth municipality directly under controlling of central Gov. of China. We passed the approval of the ISO 9001 quality system and become the main manufacturer of purification equipment in China.