常州市恒大化工有限公司

Changzhou Hengda Chemical Co., Ltd.

Products are mainly suitable for chemical and pharmaceutical

Professional production and sales of chemical products such as triethylenediamine, anhydrous piperazine, hexahydrate piperazine, N-methylpiperazine, N-ethylpiperazine, etc.

NEWS

Hengda Chemical

HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   ORDER  |   CONTACT  |   中文版

Copyright(C)2021, Changzhou Hengda Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號:蘇ICP備2021013984號

免费看一级高潮毛片,色98视频都是精品,久久人人爽人人爽人人爽av,国产精品久久91