天码人妻一区二区三区在线看,亚洲不卡一区卡二十,欧美激情综合久久久久,五月婷婷色视频在线,2018天天操天天干天天日,少女潘金莲在线免费观看视频,经典有声制服丝袜91麻豆,欧洲综合网在线观看国产,日本强好片久久久久久aaaa

Hangzhou Yanhui Technology Co.,LTD is specialized in producing fine chemical, new energy materials, pharmaceutical intermediates, and biomaterials.. Main products include iron(II) oxalate dihydrate, lithium iron phosphate , ammonium hexafluorophosphate,potassium hexafluorophosphate, sodium hesafluorophosphate, glimepiride, 3-ethyl-4-methyl-3-pyrrolin-2-one, 4-[2-[(3-Ethyl-4-methyl-2-oxo-3-pyrrolin-1-yl)carboxamido]ethyl]benzenesulfonamide and fish peptone. Products are sold to Europe, America, Japan and Southeast Asia etc..

The company is located in Hanzhou. It has established close cooperative relationships with many domestically famous research institutes such as Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences and Zhejiang University etc.. Company tenet in quality control and service is: stable quality, reasonable price, sincere cooperation, excellent service.

Welcome to negotiate business with us for mutual development.