... products, pls contact us in any time, to get the lastest priceAs a manufacturer ,our price are competitiveNBR rubber diaphragm for ... PPAP, CONTROL PLAN, PFMEA etc. 6)Have advanced CNC machine and technique to cut bonding washer molds by ourself. 7)Responds very ... well with resistance to ozone, high temperatures, oxygen, mineral oil, synthetic hydraulic fluids, ...