Xi'an Haosheng Power Electrical Appliance Manufacturing Co., Ltd. is a high‑start, high‑tech enterprise that is currently experiencing robust growth in China's high‑ and low‑voltage current‑limiting fuse sector. The company's "Haofang" brand high‑voltage current‑limiting fuses have passed type tests conducted by the National High‑Voltage Electrical Apparatus Quality Supervision and Inspection Center, and in 2003 the company obtained ISO 9001 international quality system certification. All product performance parameters meet both the national standard (GB 15166.2) and the International Electrotechnical Commission standard (IEC 60282‑1), as well as the British BS standard and the German DIN standard.