Anhui Qinglong Machinery Co., Ltd. is the only specialized plant in the production of valve and piston pin in our province. It has the Provincial technical center and its products passed ISO9002 . The annual output of the piston pin is 2.5 million pieces and the valve of a tyre is 5.5 million pieces. Their quality and scale come out  the second and the third respectively in the same trade all over the country. The rate of the possession in the domestic market  is 15% and 20%  respectively. It is provided with the technical conditions in producing varies of the automobile valve and piston pin . They are in the lead in the same trade . At present , the demand of the products exceeds supply and it has a high reputation .

The production lines of the annual output of the automobile valve and piston pin is 10 million pieces and 5million pieces respectively. Advanced inspecting equipments are to be introduced .