Zibo Aiheng New Material Co.,Ltd(Rainbow Chemical Industry Limited), locate in Zibo city,Shandong province, Which is special for chemical produce . The main products we produce: Formic acid, calcium formate, sodium formate, methylene chloride, melamine powder, diisopropyl ether, caustic soda flakes, ect Now Our clients include Poland PPH stardard, USA, UMC ect. My contact details: Sales: Ivy Skype:ivy.ying1991 QQ : 1914539813 Tel /Fex: +86-0533-5203311 Mob: +86-18463855021