Hangzhou Jieersi Flame Retardant Chemical Co., Ltd

F-DGSi company offers a complete range of gas generators and accessories, fulfilling the requirements of all laboratory analyzers such as : LCMS, GC, ICP, DEDL, IRTF, TOC, NMR, AA, Electronic Noise, Rheology, Particle sizing by laser diffraction, DSC

J&H Chemical is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemi