Our company--Jinan Runtai Ex&Im Co.,Ltd is specialized in Ammonium Bisulfite for many years.Our head office is Shandong Tiantai Steel-Plastic Co.,Ltd which founded in March,2005,is located in Gaotang County,Shandong Province. We adopt advanced international equipments and first-class manufacturing technology.The quality of our products have reached the international advanced level.Our export account is 60% of the total.The annual turnover of our company is $ 10 million, the head office's is $ 50 million. We have exported to many countries.