Set up in 1985, we are an institute with high and new technology, engaged in oil purification and regeneration, developing and researching oil purifiers. We have obtained five national patents, having a golden prize in 5th Chinese New Technique, New Product Exposition. Our products have been chosen as national new processed products by National Science and Technology Committee.We insist on production principle of "Quality is the first". Products with advanced process are dependable. Our fully equipped institute provides customer with thousands of advanced and useful oil filters,...