Tianjin Bestgain Science&Technology Co.,Ltd. in Tianjin,China.Which is one of north China's biggest Polymer Additives manufactures and exporters.We have established the firm business relationship with many famous companies at home and abroad .our company provide many kinds of Polymer Additives products.such as Clarifying Agent,Optical Brightener,UV Absorbers,Lubricating Agent,Antistatic Agent,Antistatic Masterbatch,H Acid and so on,