Very nice to contact you. We are a chemical manufacturer from China. (if you're sales, could you help to foward to Purchasing thanks in advance.)If you need chemicals for below industries, please feel free to contact me:textile industry, dyeing industry, rubber industry & laboratory industry, and so on. Such as:---Barium sulfate---Caustic soda---Carbon Black---Iron Oxide---Magnesium Oxide; Magnesium Carbonate;magnesium sulfate---Oxalic Acid;---Tartaric Acid; ---Titanium dioxide---zinc oxide;zinc carbonate;zinc Sulfate Monohydrate;Zinc Sulfate Heptahydrate;....etc