He made calcium aluminate (aluminum chloride production of raw materials) the quality of ye. The price is expensive. Have cast more than twenty million of the e
Polyaluminum chloride solution containing aluminum content equivalent to the percentage of alumina mass fraction of the solution
PBX: Private Branch eXchangePBX Commonly known as: program-controlled switches, program-controlled user switches, telephone switches, PBX and so on. PBX is a co
Effluent efficiency, in addition to smell, but the regeneration is relatively more troublesome. Tubular is activated carbon particles are added to the binder, s
1, the flow of large pipeline pump for flushing, ways to improve the flow of time to avoid the deposition of too long, you can also lift through the high, polis