Our company is Inner Mongolia Chinasalt Dyestuff Co.,Ltd. It’s one of the filiale of Inner Mongolia Yabulai Salt (Group) Corporation, founded in 1942, the State Enterprise Ⅱ, Regional advanced civilization enterprise grandmaster (AAA) credit enterprises. We are specialized in all kinds of sulphur black and other dyestuffs. So if you're interested in our company and products, please contact us and tell us your detailed requirements, we can provide the COA and a reasonable quotation for you.