TGOOD combines switchgear, transformers and prefabricated substations for utility and industrial projects, with engineering interfaces and commissioning central to procurement.
Products
High-voltage GIS and HGIS; medium-voltage air- and gas-insulated switchgear and ring main units; low-voltage boards; oil-immersed and dry transformers; prefabricated, skid and mobile substations; modular E-houses and compact kiosks; AC chargers, integrated DC chargers and charging power cabinets
Headquarters
China · Qingdao
Brand focus
TGOOD develops electrical equipment in Qingdao for utility networks, renewable-energy sites and industrial infrastructure. Prefabricated substations and modular electrical buildings are central to its approach to integrating power-distribution equipment.
Sieyuan Electric spans switchgear, transformers, grid automation and energy storage, making tested system interfaces and utility acceptance central to project procurement.
Products
High-, medium- and low-voltage switchgear; circuit breakers and disconnectors; power, distribution and instrument transformers; reactors and capacitor banks; high-voltage bushings; neutral-grounding equipment; high-voltage AC resonant test systems; protection relays; substation monitoring and automation; distribution terminals and microgrid controls; FACTS and STATCOM power-quality systems; VSC-HVDC systems, converter valves and HVDC circuit breakers; utility, residential and commercial energy-storage systems; hybrid solar inverters; energy-storage batteries; AC EV chargers; automotive low-voltage lithium batteries, supercapacitor modules and intelligent power distribution; supercapacitors and high-power lithium-ion battery components; power-substation and new-power-system EPC services
Headquarters
China · Shanghai
Brand focus
Sieyuan Electric is an electrical-equipment brand based in Shanghai, China. Its portfolio links power transmission and distribution equipment with protection, automation, power electronics and energy storage.
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