... T. Covers an area of 100,000 square and the plant area is 52,800 square. Over 500 workers , 20 engineers ... - SX2009/26 40T/H resin sand treatment production lines, 1-10-ton resin sand treatment production line, 1-5-ton resin ... of 50 tons, 30 tons, 20 tons as well as 10 tons , 1-70-ton rotary short blasting machine and several 10 tons and 5 tons vertical shot ...