... , 4-10T/h, 5-5T/h; 1-75-ton bridge-type travelling crane and several cranes of 50 tons, 30 tons, 20 ... tons as well as 10 tons , 1-70-ton rotary ... -control equipments, There are portable Brinell Hardness Test machine, 60-ton hydraulic all-purpose experimental machine, computerized metalloscope, carbon-sulfur analyzer ...