2015 7th China (Jinan) International Pharmaceutical Raw Material, Intermediates, Fine Chemicals and Technology Equipment Exhibition 2019-07-28
The air inlet of the ventilator shared by the combustion air and the quenching wind does not have any filtering device. 2019-07-27
·Beijing Housing Construction Committee: the owner built the charging pile blocked us to coordinate 2019-07-25
Inevitably causing an increase in pressure drop, resulting in a corresponding increase in fan power consumption 2019-07-25