zhangjiagang city jiaxin sheet co. , ltd. mainly manage new metal material including duplex metal composite, solid and liquid composite, advanced metal packaging etc.
张家港市嘉信薄板有限公司主营双金属复合、固液复合、高级金属包装等金属新材料业务。
this invention relates to a new duplex metal cyanide catalyst(dmc) used in synthesizing polyether polyol with high molecular weight and low degree of unsaturation and method for making same.