1-4MM,4-7MM,7-15MM,15-25MM,25-50MM,50-80MM,80-120MM
MOQ22.5MT
H.S CODE28491000
PH3 %(V/V) 鈮?/td>0.032
H2S %(V/V) 鈮?/td>0.015
Quality StandardJIASHENG TIANCHENG QUALITY STANDARDCalcium Carbide
website:http://www.wis-chemicalmateria....l.com/chemical-raw-m