Company profile: Chongqing Zhongke Oil filter plant Manufacture Co., Ltd is a high-tech Company which engaging in researching, developing and manufacturing lubrication purification equipments. Its parent company, Chongqing Zhongke High-Tech Company, was established in 1994. Chongqing Zhongke is located at Chongqing China where the third biggest river of the world, Yangtse, passes through it. The transportation in Chongqing is very convenient.