... the PAI,PI,PTFE,PEEK,POM,PPS,NYLON ,PUS,PEI bar and so on. The outstanding perfromance of the PEI product is ... for electrical, electronic insulation pieces (ie high temperature higher strength and stiffness of the various aspects of the structural components). PEI ... also be machined. Our company for the production of injection and machining. PEI product: PEI board, PEI rods, PEI accessories, ...