Thermosetting Polyimide, Thermoplastic Polyimide, Pbi Powder manufacturer / supplier in China, offering Polyimide Ball Pin, Withstands Long-Term High Temperatures Above 300° C, Insulating, and a Replacement for Vespel Sp1., Polyimide Pin Grip, Withstands Long-Term High Temperatures Above 300° C, Wear-Resistant, and a Replacement for Vespel Sp21., Polyimide Holder, Withstands Long-Term High Temperatures Above 300° C, Insulating, and a Replacement for Vespel Sp1. and so on.