We have been doing R& D on EMD since 1964.As the first company to produce EMD, Shuangyuan started the production with the annual output of 500 tons in 1968.Through six times technical innovations, we....
Zunyi Shuangyuan Chemicals Group Co., Ltd., former Guizhou Province Zunyi Chemicals Plant, was founded in 1950. Utilizing the ample resources of manganese ore in the northern part of Guizhou Province....
Production series: Industrial grade: corresponds to the GB1608-97 standard Pharmaceutical grade: corresponds to the BP-93 standard Free-flowing grade: corresponds to the Q/ 163-88 standard Tablet: ....