ptfe products, ptfe sheet, rod, tube, sealing belt, gasket, block of bridge, board, ptfe componets and so on Jinan Fangxin Group ... its leading business areas include chemical building materials, plastic products, real estate development. The company also puts significant ... Jinan Fangixn Group Sifu company produces all kinds of ptfe products, including ptfe sheet, rod, tube, sealing belt, gasket, block ...