Sumber Jaya | Engineering Plastics, Heaters and Industrial … indonesia, jakarta, packing, karet, jerman, karet jerman, viton, fiberglass, klingerit, rubber, sheet, rod, pe, pp, pvc, supplier, jual, harga, homepage, sumber, jaya, ptfe, teflon, sumberjaya, engineering plastics, heaters, industrial materials Sumber Jaya is an Indonesian based stockist and supplier of engineering plastics, heaters and industrial materials. We have been operating in the industry for over 20 years.