Shanghai Fanying Machinery Technology Co., Ltd.Our company follows the business philosophy of "Technology Lead, Innovation Motivation, Quality First, Service Centric, Talent Fundamental" and the
FFKM/NBR/FKM DIN 3869 ED-RING 14 Different Standard Molded Rubber O Ring For Oil Gas Field Sealing ≤5000 Psi Pressure Resistance Black Color Product ...