Hangzhou Keno Chemical Co., Ltd. (Hangzhou Zhengyan Chemical Co., Ltd.) is a chemical agent of the brand's professional company. Including various types of pigments, dyes, additives, additives and special resin. Company aim of studying the spirit of paint and ink industry, raw materials for the industry dedicated to supporting and technical support services. The company in Hangzhou, Wenzhou, Chengdu, Chongqing, with offices, to meet customers' different requirements. (more>>)