Introduce: Profile: Tangshan Hengxinda Trading Co., Ltd. specializes in the production of chemicals. Our main products include alkali, sodium sulfate, calcium chloride, industrial salt and PVC raw materials. Our products include sodium nitrate, caustic soda, sodium silicate, sodium bicarbonate, soda and sodium hydroxide. We have sodium nitrate, which is used in manufacturing nitro-compound, potassium nitrate, azo dyestuff, dye mordant in textile coloration, bleaching agent, metal heat treatment auxiliary agent and antiseptic in pharmaceutical industry. We produce sodium sulphate for paper making, detergent, dye, paint filling, metal smelting, glass industry, leather manufacturing, as well as in energy storing and conserving materials.
