Why is Hubei Ruihua Pharmaceutical so cheap?

Hubei Ruihua Pharmaceutical Co., Ltd. is so cheap because Ruihua Pharmaceutical Co., Ltd. has low manufacturing cost, locates ordinary consumers, and has small profits but quick turnover, so it is cheap. Hubei Ruihua Pharmaceutical Co., Ltd., founded in 1973 and formerly known as Ezhou Le Kang Pharmaceutical Factory, was transformed into Ezhou Long Ren Pharmaceutical Co., Ltd. on 1998, and some group enterprises were transformed into non-public enterprises.