... Zhengzhou and Luoyang, great convience of transportation depend on the Longhai Railway, 310 National Highway, . ... flexible hanger, rubber shock pad, shock absorber, pipe damper, seal, gate valve,check valve, foot valve, filters ... , balance pipe error, absorb vibration, reduce noise, effective, and easy to install.[Application]:Can be used ... AROUND THE WORLD Know-how & Expertise Rubber Joint With Flange ...