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 ... [Click for details]