AIHENG Industry. which is a ISO9001:2008 company,was set up in 2000, starting from a ceramic and refectory plant. In 2008, our company cooperated with Rainbow Chemical Industry Company which is located in Hong Kong. We set up our chemical plant in Zibo City. In 2009, we set up our cashmere plant in Qinghe, Hebei. With rapid development of our company, now we have customers from all over the world We can supply formic acid, calcium formate, aluminium sulphate, magnesium sulphate heptahydrate, pvc resin sg5, dichloromethane, and methyl ethyl ketone