Being located at Yanzi Rock Zone in Nanjing chemical industry with more than 40 employees, Nanjing Masterkey Chemical Co., Ltd was founded in 2009. The company is a comprehensive chemical enterprise specialized in production, marketing, sales and services, and research and development. The main line of the company includes manganese carbonate, manganese sulfate, manganese chloride, methyl cyclopentadiene, methylcyclopentadiene manganese tricarbonyl ( MMT ), and cyclopentadiene manganese tricarb...