Thermosetting Polyimide, Thermoplastic Polyimide, Pbi Powder manufacturer / supplier in China, offering Pi Support Strip, Withstands Long-Term High Temperatures Above 300° C, Insulating, and a Replacement for Vespel Sp-1., Polyimide Insulated Base, Withstands Long-Term High Temperatures Above 300° C, Insulating, and a Replacement for Vespel Sp-1., Vespel Holder Pin, Withstands Long-Term High Temperatures Above 300° C, Insulating, and a Replacement for Vespel Sp-1. and so on.