Our experienced team to help you solve the export problem, easy to get orders, cost savings.
More timely and attentive service, so that your questions can be resolved any time and improve efficiency.
To provide you with long-term technical support and after-sales service, cast a strong backing, with a guarantee.
Provide you with more professional quality control and supplier management, unified procurement and management, wish you success!
According To DIN, ASTM, JIS, BS, NF, GB Standard
Parkerizing, Polishing, Zinc Plated, Spray Painted
Carburizing, Quench Hardening
Accordance With Industry Standards
No Crack Until 2/3 * Diameter
No Crack Until 5/4 * Diameter
NR, EPDM, SBR, NBR, CR, etc
30-90 Shore A
Keep Quality 85% min
Keep Quality 85%
Volume Change 10% max
3 Years Or> 50000KM (OEM Grade) 1 Years (Aftermarket)