Zhuzhou Jianghai Environmental Protection CO., Ltd is specialized in R&D, manufacture and sales MethylSulfonylMethane(MSM). we can produce different used MSM which is medicine grade(main for human health food), feed grade( for animals food) and cosmetics grade( for human�s cosmetics), the specification has 20mesh-40mesh, 40mesh-60mesh, 60mesh-80mesh and more than 80mesh. And we can make the suitable size as customers� demand. We are located in the middle of Hunan province, Zhuzhou city, it�s about 15km from Huanghua air port, and 2km from the express way, we enjoy convenient transportation. Our MSM has passed the certificate of ISO9001:2000 Quality Management System and Kosher certificate. And we have the fine produce environment and its 3, 500 square meters, the workers have the clean work environment and also get the GMP certified &waste water treatment system. And we honored the professional and biggest manufacture of Methyl Sulfonyl Methane (MSM) manufacture of in Hunan province. Our value: customers� satisfied is only of standard of our working. Welcome overseas and dormice customers visit our company.