Tianjin Sanwei Laixin Material Co., Ltd. belongs to Zhongke Sanhuan and was established in 1990. The medium and high performance sintered NdFeB products produced by the company are widely used in automobile motors, industrial motors, nuclear magnetic resonance, consumer electronics and other fields. The company's main customers are Sony, Panasonic, Hitachi, Sanyo and Pioneer in Japan, BOSE, ECS and GE in the United States, Bosch, Valeo and Siemens in Europe, LG, Daewoo and Samsung in South Korea.