Chemical Equipment, Slurry Pump, Hydraulic Cylinder manufacturer / supplier in China, offering High Purity Boric Acid 99.5% 99.8% CAS 11113-50 1 Boric Acid Fine Powder, Boric Acid 99.5% 99.8%, Ammonium Polyphosphate (APP) CAS 68333-79-9 and so on.