Equipped with large weld-ring gaskets material and properties, Yangzhong Tianyou Seals Co.,Ltd is one of the best large weld-ring gaskets ... China, you can buy our large weld-ring gaskets in stock and check the price with our factory.Brief:Size: optional, infinitely ... : 1pcDescription: PTFE seal, PTFE gaskets, PTFE welding ring, PTFE washers,PTFE welding ring Size: no limit, we can produce according to ...