<正> In August 2008 the caprolactam palletizing section at theShijiazhuang Chemical Fiber Company was put on streamsuccessfully at the first attempt during feed
<正> A national invention patent has been granted to the methodfor preparation of the Cu-Zn-Al system catalyst for gas phasehydrogenation of aldehydes developed
<正>The technology for rectification in three vertical sieve tray type columns developed by Zhengyuan Tower and Vessel Company, Ltd. in Shijiazhuang will be app
<正>The construction of a 50 kt/a MMA project, the in vestment inwhich will total 220 million RMB, has been initiated at Zhongmeng Longxin Chemical Company, Ltd
<正>The first in China single 20-kt/a maleic anhydride unit and its associated 50 kt/a unit for continuous rectification of maleic anhydride, which were indepen