Sifrui (Tianjin sifrui / Handan sifrui / Zhengzhou sifrui / Wuhan sifrui / Qingdao sifrui) is headquartered in Tianjin, an advanced manufacturing R & D base known as the Pearl of the Bohai Sea. The company is a new technology development reagent company integrating R & D, production and sales, focusing on the production and R & D of high-purity solvent, Karl Fischer reagent and chromatographic solvent series related products. The company has a senior technical team and management team engaged in high-purity solvent production and research for a long time. Keep up with international brands in product R & D, quality control, safety packaging, technical support and other aspects. It has five series of products (acetonitrile, methanol, absolute ethanol, isopropanol, n-hexane, n-heptane, tetrahydrofuran, dichloromethane, dimethyl sulfoxide, DMF, dimethylacetamide...) including preparation grade, chromatographic grade, spectral grade, pesticide residue grade and anhydrous grade with very low moisture. With rigorous manufacturing technology and professional testing instruments to ensure the stability of product quality. The products are widely used in new energy, petrochemical industry, pharmaceutical factory, pesticide factory, food safety, environmental protection, life science, drug research and other fields.