SOLO Swiss recently installed and commissioned a new automatic heat-treatment line with 300-kg (660-pound) capacity at Chongqing Changfeng in China. The line is equipped with two hardening furnaces, four tempering furnaces (high and low temperature), three quench tanks (salt, water and oil), two washing machines (oil and salt), one robot, one salt recovery system and five loading/unloading tables. All the equipment is powered by a process control system with Siemens technology.