Office Add:Room 1210,Huiyang Building,No.37-8 Huaneng Road,Jinan city,Shandong,China
Factory Add:Zhoujia Village,Xuyuanzi Town，Qingyun County, Dezhou City,Shandong, China
We are professional optical brightener manufacturers, own optical brightener factory, one of the best Optical Brightener OB-1 and UV absorber manufacturers and suppliers china.
