Welcome to HuangGang HuaYang Pharmaceutical Co., Ltd,, the premium scientific carnitine ingredients and active pharmaceutical intermediates & intermediates manufacturer in China. Established in 2002, HuaYang creates, develops, manufactures and markets an extensive line of high quality carnitine ingredients and other specialty active ingredients & intermediates for customers in nutrition supplement, functional food and drink, pharmaceutical, and cosmetic industries.quality carnitine ingredients...