Shijiazhuang Polee Pharmaceutical Co., Ltd., to you. As the biggest manufacturer of Cimetidine in China, we have approved by GMP, and our products, Cimetidine A & AB, can fully meet USP30 / BP2009 / EP6.0 / JP15 specifications. If you have any requirement for these material, pls feel free to contact us and we remain we are always at your service.