Profile: W J P Engineering Plastics Ltd. specializes in designing and providing plastic components. We are an ISO 9001:2008 certified company. Our components include backup rings, chevron rings, soft seats, valve seals, polytetrafluoroethylene bellow seals, polytetrafluoroethylene envelopes, and gaskets. Our plastics are used in polytetrafluoroethylene, filled polytetrafluoroethylene, PEEK, nylons, acetal, and delrin components. We also manufacture components in a wide range of plastics including various filled grades of nylon, poltpropylene, and PPS.