Molecular Sieve

Established in 2014 and based in Jimo, Qingdao, Qingdao Hengze Silica Gel Products Co., Ltd. is a manufacturer, wholesaler and exporter that has focused since its founding on the R&D and production of chromatographic silica gel used for filtration, separation and decolorization, available in pore sizes of 60A, 90A, 120A and 150A and particle sizes ranging from 60-100 mesh to 230-400 mesh. Its silica gel achieves high purity (SiO2 ≥ 99.5%) with low chloride and iron ion levels that improve yields in separation and purification, and the company holds 10 related patents. Working with major pharmaceutical manufacturers in China and abroad, its chromatographic silica gel plays a key role in drug separation and purification, supporting applications such as herbal medicine extraction, refining of medium- and long-chain triglycerides, and the production of coenzyme Q10, paclitaxel, cyclosporine, cannabis oil, purified nucleic acids and adsorption-based urokinase; the company offers OEM, ODM and own-brand production, shipping FOB, CFR, CIF, EXW, CIP, CPT, DDP and DDU under L/C and T/T terms, with sales split roughly evenly between export and domestic markets.