... of specifications, including five series of patent products. They are flexible rubber joints, reduced rubber joints, rubber elbows, fan coil joint ... check valve rubber, rubber filter, rubber compensator air flue compensator, flexible hanger, rubber shock pad, shock absorber, pipe damper, seal, ... 11001305124028-Φ331340127032-Φ36 PARTNERS AROUND THE WORLDKNOW--HOW & EXPERTISE Rubber Flexible Flange