Shanghai Laiyang Electric Technology Co., Ltd. is a professional company engaged in the research, manufacturing, sales, and service of power testing instruments and equipment for power enterprises, with an annual production capacity of over 20000 units and sets. The main products include: variable frequency transformer tester, transformer resistance tester, intelligent high current generator, microcomputer relay protection calibrator, high-frequency DC high voltage generator, etc., with a wide variety, complete specifications, and advanced technology.

The company has passed the ISO-9001 quality system certification and established a sales network and a good after-sales service network in more than 20 provinces, cities, and districts across the country. Its products serve major *, power plants, and many large domestic enterprises.

The company is committed to the research and development of new technologies and products, continuously using earlier technologies for product improvement and new product development. We always pursue high safety and reliability in product design and manufacturing.

The company has always adhered to the spirit of integrity and pragmatism, constantly striving and pioneering, and regards power testing as its own responsibility. To seek development through technology, survival through quality, reputation through service, and efficiency through management, providing excellent services to customers and society.

Main products of the company: 0.1HZ ultra-low frequency withstand voltage test device, variable frequency series parallel resonance withstand voltage test device, non partial discharge test transformer, AC withstand voltage test transformer, high-voltage reactor, high current generator, dry-type test transformer, dielectric loss tester, circuit resistance tester; DC resistance tester; Zinc oxide lightning arrester tester; Transformer comprehensive calibrator; DC high voltage generator, high voltage switch dynamic characteristic tester, transformer oil trace moisture tester, oleic acid value tester, oil chromatography analyzer, oil viscosity tester, oil ignition point tester, SF6 gas trace moisture tester, vacuum degree tester, microcomputer relay protection tester, (power frequency, frequency conversion) dielectric loss tester, insulation oil dielectric strength tester, multifunctional vacuum oil filter, transformer on load switch tester, high voltage wireless phase analyzer, transformer electrical parameter tester, triple frequency power generator, transformer capacity tester, transformer ratio group tester, engine AC impedance tester, insulation board insulation products, bus duct, sliding contact wire, electric heating tube and other industrial control systems and equipment.