The company has three main casting production lines: sodium silicate sand investment mould production line, a large automatic line with 2000T annually steel castings of different materials, 8000T annually ductile iron, silver-chromium cast iron and steel castings (0.1-3T cast iron per unit weight of steel castings, 0.1-8T per unit weight of steel castings); Dongjiu moulding line, Japan, has 10000T annually gray iron and nodular iron of different materials (less than 50kg per unit weight). Main production equipment: 1.5ST medium frequency induction furnace, 3 sets, 350kg medium frequency induction furnace, clay sand Japan Dongjiu 08 automatic moulding machine and moulding auxiliary line, Denmark DISA sand mixer and moulding sand on-line detection system, large lost foam compacting table, 20 sets of large sand box, old sand cooling system of lost foam moulding, fully automatic dual-station wax moulding machine One group, one rotary wax machine, one manual wax production line, one automatic line for melting mould coating, two through-type shell baking furnaces for runner-type shell making machine. Core-making equipment has one 20 kg cold box core-shooting machine and three 15 kg cold box core-shooting machines. There are two Xiamen belt shot blasting machines, one 10T hook type shot blasting machine, one step-by-step chain through double-station vinegar shot blasting machine, one press, two large gas annealing furnaces and two normalizing furnaces. Main physical and chemical testing equipment: direct reading optical invitation instrument, CS detector, automatic tension testing machine, metallographic micro-lock Brinell hardness tester, Rockwell hardness tester, conventional chemical analysis, castings scratch line detection, non-destructive flaw detection X-ray machine.