Laboratory Centrifuge, Laboratory Thermostatic Devices, Combination & Joint Fittings manufacturer / supplier in China, offering Stainless Steel Gel Filtration Chromatography Sec Column for Protein Separation, High Selectivity Normal Phase / Reversed Phase HPLC Cn Column for Polar and Basic Compounds, High Molecular Weight Polymer Hydrophilic Silica Gel Sec Size Exclusion Chromatography Column for Protein Separation and so on.