The company owns international first-class production equipment, one-up science technology and enterprise economy management talent; cooperates with rubber research institute; accumulates over 20 years rubber airproof production experience and devotes in developing and producing rubber airproof product, a professional enterprise of producing O-type circle rubber. The company has passed ISO9001 quality control system. With perfect technology service and reasonable price, it has been deeply trusted and welcome by domestic and foreign customer; the product has been sold far to all over the country and Southeast Asia, Europe and American area.