Hangzhou Top Chemical Co., Ltd. is a leading manufacturer and exporter specialized in kinds of surfactants and daily chemical products, which located in Hangzhou, Zhejiang province, China. After gone through years of unremitting efforts, it has been a modern enterprise integrated in R&D, production, sale and service. Now it has four joint venture factories, total 6 production lines of sulfonation & amidation, producing anionic surfactants series, nonionic surfactants series , cationic surfactants series, amphoteric surfactants series, other surfactants series and preservatives series, and annual output is up to 120,000 metric tons.