In the field of rail transit, Sichuan Huafeng has long been the main high-quality supplier of China's railway system. According to IEC standards, German standards (DIN), French standards (NFF), national standards (GB), Ministry of Railways standards (TB) and other standards, the JL series circular connectors, JL series rectangular connectors, HDC heavy-duty connectors, and European backboard connectors developed are widely used in various series of locomotives, vehicles, subway light rail and various systems, signals and other customer groups. Huafeng Company can provide comprehensive interconnection technology solutions according to the needs of railway system customers, and its product performance is comparable to similar foreign products.

Product application examples:
·Locomotive field
Since the 1980s, complete vehicle connectors have been provided for SS1-SS9 Shaoshan series DC drive electric locomotives, DF series diesel locomotives, and HXN3 diesel locomotives.
Since 2006, we have been providing complete vehicle connectors for the HXD1, HXD2, and HXD3 series high-power AC drive electric locomotives.
To provide export locomotive connectors for various domestic OEMs, including diesel locomotives, electric locomotives, etc. For example, exporting locomotives to Iran, New Zealand, South Africa, Uzbekistan, Angola, Congo, Mongolia, and other countries.

·Bus field
It has successively equipped with 22 type passenger cars, 25 type passenger cars, Zhongyuan Star, Changbai Mountain, Pioneer high-speed trains, etc.

·Subway and light rail field
Shanghai Metro, Beijing Metro, Chengdu Metro, Wuhan Metro, Zhengzhou Metro, Shenzhen Metro, Iran Metro, Hong Kong Metro, etc.