In the lab at Zhaoguang's Technology Center, engineers are conducting durability tests on a new generation of waterproof connectors for locomotives. Senior Engineer Wang Lei, the company's technical leader, led his team in developing a "multi-layer sealing structure" technology that achieves an IP68 waterproof rating, a 40% improvement over the industry average. "We invest 8% of our annual revenue in R&D," Wang Lei explained. "The intelligent transformation of our SMT production line, completed last year, has improved placement accuracy to ±0.02mm."

The benefits of technological innovation are already evident: their independently developed "intelligent temperature control module," embedded with AI algorithms, monitors equipment operating status in real time and has been successfully applied in locomotive retrofit projects for three domestic rail transit companies. In 2024, the company established a "Rail Transit Parts Joint Laboratory" in collaboration with Chongqing Jiaotong University, achieving breakthrough research in material weather resistance.