Taiyuan Heavy Industry Casting & Forging ***** of Steel-making Plant, Steel Foundry, Heavy Forging Plant and Gasworks. There are over 1500 workers and staff members among which 273 are technical personnel with different specialities. It owns a specialized technical system undertaking hot-work product development and technological design. A perfect production and management system, a sound quality assurance system as well as an excellent marketing system have been established. The company has passed ISO9001 quality system certification in 1997. And it has obtained the works approval of CCS and the works approval of ABS and LR. In 2006 the company has passed the certification of GB/T 24001/ISO 14001 for Occupational Health and Safety/Environmental Management System. And the requirement of Class 1 for standardization of safety and quality has been met. The Casting & Forging Subco. is the largest enterprise for producing castings and forgings in North China. The building area is over 100, 000m2 and the shop building area 70, 000m2. It has convenient facility for both highway and railway transportation. It is equipped with 15t electric arc furnace, 30t (EPT) electric arc furnace with super-high power and eccentrically bottom tapping, 2 sets of 40t ladle refining furnaces, 25tVD+VOD furnace, resin sand molding equipment, 100t sand blasting chamber, 4500t hydraulic press, various kinds of vertical lathes and deep-hole drilling machines and so on. It produces different kinds of steel castings with the gross weight less than 140t, such as mill housing, bearing housing, castings used for heavy duty press, crawler frame, dipper front part, dipper back part, crawler shoes, cylinder body, HP/MP valve body and slag pot; different kinds of forgings with the weight less than 30t, mainly including forgings used for power station (rotor below 30MW, main shaft for wind turbine below 2.5MW and other shaft type forgings, guard ring and impeller and so on), marine forgings