Changsha Haolin Chemicals Co., Ltd. was established in 2007, is mainly committed to the production and exporting of chemicals.Its predecessor, Xian Wang chemicals was founded in 1996 in Changsha,now renamed LinXiang HaoLin Additive Co.,Ltd. Our company mainly produces and sells sodium metabisulfite,sodiium sulphite, zinc sulfate, manganese sulfate, ferrous sulfate and other products, annual production capacity up to 30,000 tons for sodium metabisulfite , 20,000 tons of sodium sulphite, 20,000 t...