Hangzhou HengKun Import & Export Co., Ltd is a specialized private chemical company combined manufacturer and sale. Situated in Xiao shan Economics and Technological Development Zone, our company has the right of self-supporting export and supplies various chemical products, such as: zinc oxide, titanium dioxide, carbon black, iron oxide red/ iron oxide yellow/ iron oxide blue/ iron oxide black/iron oxide green, chromium oxide green, PER, caustic soda(lamellar/pearl partical),Boric acid, sodium benzoate, sodium formate, lactic acid,oxalic acid, glacial acetic acid,HDPE,LDPE and Tin ingot. On one hand, HengKun has always emphasizing on attitude of constantly innovate, bravely endeavor, strictly pragmatic and efficiently work over years. In the other hand, we specially pay attention to exp..