日韩69永久免费视频,无码无需播放器AV网站,浓毛BWBWBWBWBW日本,热の综合热の国产热の潮在线,国产成人综合95精品视频,东北少妇高潮流白浆在线观看,国产性夜夜春夜夜爽1A片,狠狠躁天天躁无码中文字幕 ,亚洲国产V高清在线观看,国产精品自产拍在线观看免费

About Us

Xinxiang Jincheng Pharmaceutical Chemical Co., Ltd. is a high-tech enterprise engaging in research, production and operation.
Insisting on the policy of 'people oriented, quality top', the company dedicated itself to research and production of chemical intermediates and pharmaceutical intermediates. By years' accumulation, the company has established the development direction of large-scale production of nitrine series, sulfonyl chloride series and its derivatives. The main products include: Tosyl chloride, p-Toluenesulfonyl azide, 4-Dodecylbenzenesulfonyl azide, N,N-Diisopropylethylamine and other pharmaceutical intermediates.

The company has graceful production environment, modernized production equipment, scientific management method and standardized quality control system. Our products are sold to the whole country and even exported to India and other countries, they've met great favor home and abroad. 

 





?