Shandong Tiantai Steel-Plastic Co., Ltd. was established in March 2005. It is steelmaking furnace's auxiliary raw material production, ammonium sulfite for industrial, ammonium bisulfite production, steel sales,office equipment marketing as the integration of science, trade ,industry company. The leading product is the steelmaking carburant, ammonium sulfate industrial grade, ammonium bisulfite industrial and pharm grade .Our company covers an area of 200000 square meter, the plant is located ...