Qingdao Yuyin Chemical Co., Ltd.  

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Qingdao Yuyin Chemical Co., Ltd is a professional supplier of some basic inorganic materials, organic chemicals, food additives, pigment & dyestuff, organic intermediates and chemical reagent products etc. In China. Based on the principle of "sincere cooperation, mutual benefits", with more than 10 years' professional chemical experience, our goods are exported to Asia, Europe, Africa and South America etc. Our company has been awarded ISO9001: 2000 certificate, and100% of our exporting products are approved by CIQ, SGS or BV inspection. Our purpose is to supply goods to the global customers with competitive price, high quality and professional service. Our main products are as below: 1) Inorganic Salts, Acids and AlkaliSodium Silicate (water glass)Sodium Sulphide/Sodium SulfideTitanium DioxideSodium Tripolyphosphate (STPP)Sodium Carbonate (Soda Ash Light/Dense)Sodium Metasilicate Pentahydrate/AnhydrousSodium Hexametaphosphate (SHMP)Calcium ChlorideMagnesium ChlorideBarium Carbo... [详细介绍]