JingJiang Connect Chemical manufacturing Co., Ltd.--Quaternary ammonium salt|Intermediates

JingJiangConnectChemicalmanufacturingCo.,Ltd.establishedin1983,isakeymembercompanyoftherenownedConnectGroupLimitedheadquarteredinGermany.

www.kchem.com.cn 电影视频 2025-07-23