Hangzhou Westlake Biological Tech Co., Ltd.

Hangzhou Westlake Biological Tech Co., Ltd. is a high-technology enterprise engaged in the study, development, production and sales of plant extracts. We are located in Hangzhou City, which is famous for beautiful West Lake and about 180km to the largest Port City-Shanghai in China. Our company owns a research institute, central foundation and sales department. 90% of our products are sold to Europe, America, Japan, Korea and Singapore. Top alpha Arbutin (CAS Number:84380-01-8).US $200/Kilogram.Appearance: White Crystalline Powder Assay: 99.5% Min. HPLC Loss on Drying: 0.5% Max. Residue on Ignition: 0.5%Max. M. P,: 199-201 Hydroquinone: 10ppm Max. Specific Optical Rotation: [?]D20=+179?? [详细介绍]