Zhejiang Shengxiao Chemicals Co., Ltd. Was founded in 1987. Quzhou Intel Polymer Materials Co., Ltd. Was founded in 2000. Mainly operating p-hydroxybenzoic acid and nipagin ester products and it's sodium salts, continuously rank fist in Chinese market. In 2004, Shengxiao was approved as Zhejiang High-Tech enterprises. The annual production capacity of the leading product p- hydroxybenzoic acid has reached 22, 000 tons, and at the same time, our company becomes the largest manufacturer in the world. We drafted National standards about Food Preservative Ethyl Hydroxybenzoate and Propyl Hydroxybenzoate. Ethyl Hydroxybenzoate was recertified Drug Production License and Drug Production Registration Certificate. Parts of our products are made by international standard-BP, USP and GMP and pas..