Manganous Sulphate

Kingstone Industrial Group Ltd was founded in 1994. After a decade development, from a tiny size factory, Kingstone has become a industrial material manufacturing group corporation that integrates advanced R&D and modernized manufacturing facilities. Our corporation has built four manufacturing plants including pigment plant, carbon plant, refractory plant and chemical plant, located in the east part of Hunan province mainland China. Kingstone group has formed the annual production capacity of 8... View more >>