We can produce all sizes of calcium carbide as your requirement such as 80-120mm, 50-80mm, 25-50mm, 15-25mm, 7-15mm , 4-7mm, 0-4mm, gas yield 285 l/kg, 295 l/kg, 305 l/kg, all of our products are packed with 50kg/100kg/250kg new iron drums. The goods will be ready to lade within 10days upon receiving your tt in advance. 50kg/100kg/250kg new iron drums