Beijing Zhongke Sanhuan High-Tech.. 

Beijing Zhong Ke San Huan High-Tech Co., Ltd. engages in the research, development, manufacture, and marketing of magnets and application devices in China and internationally. It offers sintered Nd-Fe-B permanent magnets for use in transportation, energy, communications, home appliances, machinery, and medical equipment fields; and Nd-Fe-B magnets for use in energy saving home appliances, consumer electronics, and control components, as well as information technology industry. The company also provides soft ferrite cores, including deflection yokes, ferrite power materials, small radios, electro-magnetic interference materials, and invertors for use in mobile communication equipment, internet systems, SPC digital switch, switching mode power supply, CRT monitor, LCD, PDP, OA, automatic control, green illumination, instruments, industrial and medical equipment, automobile electronic and aerospace industries, etc. In addition, it offers amorphous and nanocrystalline soft magnetic materials, which include current transformers, sprayed and inverter cores, and common code inductors for information communication and power electronics industries; and rare-earth raw materials. The company was founded in 1999 and is headquartered in Beijing, China.