About Us

About Us

Manufacturer of various types of compensators, metal bellows expansion joints, and corrugated metal hoses.

Company Profile

President’s Message

Honors and Qualifications

Production capacity

Factory appearance and environment

Company Profile



Founded in 1998, the company occupies an area of 18,000 square meters and is a specialized manufacturer of metal bellows compensators for gas-insulated switchgear (GIS) and cable trays.
At the end of 1999, the company began supplying metal bellows compensators and cable trays for GIS to Xi’an Xikai High‑Voltage Electrical Co., Ltd. In June 2002, it was recognized by Xikai as a “Trusted Supplier,” and has continued to provide supporting products ever since. Through years of dedicated effort, the market coverage of the company’s metal bellows compensators and cable trays for GIS has steadily expanded. Its key customers today include: Xi’an XD Switchgear Co., Ltd., Xi’an XD High‑Voltage Switchgear Co., Ltd., Shandong Electric Power Equipment Hitachi High‑Voltage Switchgear Co., Ltd., Wuxi Hengchi Zhongxing Switchgear Co., Ltd., Shanghai Siyuan High‑Voltage Switchgear Co., Ltd., Shanghai Siemens High‑Voltage Switchgear Equipment Co., Ltd., Hyundai Heavy Industries (China) Electrical Co., Ltd., TBEA Shanghai High‑Voltage Switchgear Co., Ltd., Chint Electric Co., Ltd., Zhongxing Chuangyuan High‑Voltage Electrical Co., Ltd., Hunan Changgao Electric Co., Ltd., and Jiangsu Ankai Intelligent Power Transmission Engineering Technology Co., Ltd., among others.
In recent years, the company has supplied equipment for several key State Grid projects, including the Qinghai Hainan Tala Substation Project, the Shanghaimiao–Linyi ±800 kV UHV DC Transmission Line Project, the Lingzhou Converter Station ±800 kV UHV DC Transmission Project, the Zhalute Converter Station Project in Inner Mongolia, the Shapotou 750 kV Substation in Ningxia, the Shaobei–Wuhan UHV DC Transmission Project, the second-phase 1,000 kV expansion project at the Shahu Substation in Ningxia, the Baihetan Project within the Three Gorges Project, and the Wudongde Hydropower Station of the Three Gorges Project. Internationally, the company has also participated in projects such as the Jurong Expansion Project in Singapore, the Missan Power Station Project in Iraq, and a typical bay‑type substation project in Iran.


The company boasts a comprehensive quality assurance system, a full suite of testing capabilities, state-of-the-art production equipment, and outstanding technical R&D expertise. It is equipped with advanced specialized manufacturing and inspection machinery, including high-speed gantry machining centers, large CNC lathes, automatic longitudinal welding machines, heavy‑tonnage four‑column hydraulic presses, fully automated bellows forming machines, dedicated automatic circumferential seam welders, hydraulic swing‑type shearing machines, open‑type tilting presses, hydraulic plate‑bending machines, laser cutting machines, environmentally friendly sandblasting, painting, and drying systems, X‑ray nondestructive testing rooms, electronic universal testing machines, and sulfur hexafluoride gas‑tightness test benches.
The company obtained ISO 9001 certification for its quality management system in January 2002, secured a Class B manufacturing license for metallic bellows expansion joints issued by the State Administration for Market Regulation in October 2007, and was recognized as a National High-Tech Enterprise in 2022.
Mr. Yuan Wenbao, Chairman of the Company, together with all employees, adheres to the quality policy of “Building the Huixin brand and striving for customer satisfaction,” and looks forward to working with domestic and international partners to create new achievements in the years ahead.

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Customized high-voltage electrical accessory products, along with end-to-end services encompassing production, manufacturing, and integrated supply.