manufacturing |For the product ,Hanhong has owned manufacturing technique. We have produced many lots in large scale, the quality meets the customer requirement, it’s our featured product.^ Supply|Hanhong Manufactures fine and specialty chemicals from Grams, Kilograms to tons. We have fifteen synthesis labs and 60 Chemists. Also we have four multifunction chemical plants. Hanhong can manufacture this product from grams to tons.^