... sand treatment production lines, 1-10-ton resin sand treatment production line, 1-5-ton resin sand treatment production line; 2 ... 30 tons, 20 tons as well as 10 tons , 1-70-ton rotary short blasting machine and several 10 tons and 5 ... control equipments, There are portable Brinell Hardness Test machine, 60-ton hydraulic all-purpose experimental machine, computerized metalloscope, carbon-sulfur ...