... our client's needs. We manufacture rubber diaphragm valve in the following elastomers NBR, EPDM, NEOPRENE, VITON-R, FKM/ ... per client's requirement.The manufacturer of rubber diaphragm valve: Xiamen Yiho Polytek Co.,Ltd offesr full lines of rubber diaphragm valve, ... seal ring ,oring,stethoscope eartips,gasket keypad etc. The rubber diaphragm ...