1, material: SUS316L or SUS304 2,RoHs compliance; 3, main part for multistage pumps 4, parts are produced under TS16949 1, material: SUS316L or SUS3042,RoHs compliance;3, main part for multistage pumps4, parts are produced under TS16949 quality system; machined stailess steel plug for pump or boiler