HAOMAI.HAOMAI, established in 1999 and headquartered in Wuhan East Lake Hi-Tech Development Zone, is a national high-tech enterprise specializing in the R&D, production, and sales of power system test instruments, online monitoring equipment, and live-line testing devices. Adhering to the principle of “innovation-driven development guided by industry needs,” the company stays at the forefront of power sector trends. It develops over 100 new products, technologies, and collaborative projects annually and participates in formulating dozens of national industry standards. Its product portfolio includes relay protection testers, instrument transformer testers, distribution automation test equipment, DC system test instruments, HVDC transmission test equipment, and new energy detection devices. Particularly in transformer oil gas monitoring, after over a decade of dedicated research, the company successfully launched the PASL-3000 Laser Photoacoustic Spectroscopy Online Monitoring System, which meets State Grid's A1-level standards. Recognized for its high precision and maintenance-free operation, the system has gained widespread market acceptance and established a comprehensive proprietary intellectual property system.
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