MORE+

About Us

Jinan Chenghuishuangda Chemical Co., Ltd is a subsidiary company belongs to the chengchuang Pharmaceutical Group, was established in 2002, is specializing in the production of chemical intermediates, fine chemical products of high technology enterprises, high-end sweetening agent R & D and production and application of the international high-tech enterprises...
MORE >

MORE+

Certificate

MORE+

News Center

1 2 3 4 5
Industry-Leading
Link

Copyright 2015 Shandong ChengHui ShuangDa Chemical Co., LTD All Rights Reserved

中文字幕无码亚洲制服在线看,heyzo精品影音先锋,亚洲欧美日韩综合一区二区三区,曰曰摸天天摸人人看视频,国语自产精品视频手机在,精品无码AV人妻受辱系里,人妻无码av中文一二三区,