shanghai tongkeng plastic&steel company is a professional manufacturer of pvc foam board and wpc board in china. the pvc foam board is new environmental material developed to take place of solid wood and steel. They are water-proof,flame-retardant,sound-insulating,heat-insulating,shock-absorbent,anti-aging and anti-erosion,etc. the high quality of our products earn us a lot of custome at home and abroad.