H & Y Corporation Limited has three subsidary companies,Specializing in the production and sales of various chemical products, with a factory in Huaian, Jiangsu - HaoYi Industrial (Huaian DEV) Co., LTD., sales office set up in Nanjing, Jiangsu - Nanjing HaoYi Biotechnology Co., Ltd., the international department set up in Hong Kong, China -H & Y INDUSTRY LIMITED.