Yizheng ShuangYa Piston Ring Co.,Ltd established in 2005.There is about 24000 square meters of company area,14000 square meters of building area.The total asset value of the company is more than 20 million yuan,and the annual production of piston rings is about 40 million pieces.The company has 65 employees,15 technical backbone and management team,all of whom have rich experience in piston ring industry.Yizheng ShuangYa Piston Ring Co.,Ltd specializes in the production of a variety of diesel engines,gasoline enginer and general engine piston ring.It has been strictly implemented and passed ISO9001 technical quality system certification.