斗转星移合成怎么进不去,a级片电影免费在线视频,九九热这里只有精品6,免费吃奶摸下激烈视频网址,国产麻豆a一级毛片爽爽影院,波霸女的淫欲生活,孽乱呻吟声老妇

  Hongsheng chemical co.,ltd
   About us
       About us
       Products
       Buy
       Sell
       Contact us

Hongsheng chemical Co.,Ltd is a specialized company engaged in research and development, manufacturing and sales of innovative chemical products based on modern science and technology.


we produce API,pharmaceutical intermediates and special chemicals,handling different quantities from milligrams to multi-kgs.
For example: 2-amino-4-bromopyridine, 2-amino-4-chloropyridine, 2-Chloro-3-Methyl-5-AminoPyridine, 4-Amino-3-FluoroPyridine, 2-chloro-3-methoxy-5-nitropyridine, 2-amino-3,5-dibromopyrazine, 2-Amino-6-ChloroPyrazine,
2-AminoPyrazine, 2,4-Dichloro-6-methyl-5-nitropyrimidine, 2,4-Dichloro-5-nitropyrimidine, 2,5-Diamino-4,6-dihydroxy-pyrimidine, N-(2-amino-4,6-dichloro-5-pyrimidinyl)formamide, (3-Aminopropyl)phosphonic acid, Diethyl squarate, 2-amino-4-bromophenol, 4-Bromo-2-nitrophenol
, 3-Nitro-1H-pyrazol, 1H-pyrazol-5-amine, 5-Trifluoromethyl-1H pyrazole, 5-Phenyl-1H pyrazole, 5-(4-Fluorophenyl)1H-Pyrazole, 5-(4-(trifluoromethyl)phenyl)-1H-pyrazole, 3-methyl-1H-pyrazol, 1,5-dimethyl-1H-pyrazole, 5-bormo-2,3-dihydrobenzofuran, 1-Benzofuran-5-carbaldehyde, N-Methylisopropylamine, N-Ethylmethylamine, N-ethyl-2-methyl-allylamine, N-Ethylbutan-1-amine, N-ethylpropylamine, 2-chloro-N,N-dimethylaniline, N-Methylallylamine, 2-Methylallylamine, N-Isopropylethylenediamine, 2-Methyl-5-PyridineBoronic acid, Triethyloxonium tetrafluoroborate, 1-Pyrenecarboxaldehyde, Azelastine, Capecitabine, 5-Azacytidine, Molindone, Doxifluridine, 2'-Deoxyuridine, Amlexanox, 2,6-Dichloropurine, Floxuridine etc.

Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.