ECON Ltda.

Weifang Tongrun Chemical Co., Ltd. is located in the beautiful and rich Shandong Peninsula, in the Bozhuang Chemical Industrial Park of the Bohai Economic Belt, between the beautiful coastal city of Qingdao and the international kite city of Weifang,

Sell and purchase, advise and refurbish from used equipment of liquid and mechanical separation technic as centrifuges, decanter, dryer, filter and service.

AIR SCIENCE USA sells the safest and most advanced line of self-contained fume filtration equipment meeting the most demanding standards. Before you consider purchasing a self-contained fume hood, you should be familiar with all USA and International