Hunan Vanguard Group Co., Ltd. is a prominent state-owned manufacturer and trading enterprise operating under the China South Industries Group Corporation. With origins tracing back to 1890, the company has evolved into a large-scale civil-military integration enterprise with assets exceeding USD 100 million and a workforce of over 3,000 personnel, including more than 400 specialized engineers and technicians. The group maintains a significant manufacturing presence in Changsha and Chenxi County, featuring a national-class R&D center and an industrial base exceeding 100,000 square meters.
Specializing in hydropower equipment, the company offers a comprehensive portfolio of approximately 200 types of small and medium-scale hydraulic turbines, including Tubular, Kaplan, Francis, Turgo, and Pelton series. Their power generation solutions encompass over 100 types of vertical, horizontal, and bulb generators with unit capacities reaching up to 50MW. Beyond core machinery, they provide essential auxiliary components such as excitation boards, control boards, governors, and penstocks, alongside end-to-end services including design, installation, and commissioning.
Hunan Vanguard Group has diversified its technical capabilities into renewable energy and advanced manufacturing, offering solar panel production lines, wind power anchors, mobile DC charging piles, and 3D printing services. The company is also active in the software and IT sector, focusing on industrial control systems and intelligent integration. Holding ISO 9001 and ISO 22000 certifications, the group is a recognized "national first-class metering institution." Their products are exported to over 30 countries, with a strong presence in Southeast Asia, Central Asia, and North America.
Hydro Turbine Generator
Vertical Hydro Generator
Water Turbine Generator
Bulb Turbine Generator
Horizontal Hydro Generator
Tubular Turbine Generator
Hydro Turgo Turbine Generator
Kaplan Propeller Turbine Generator
Pelton Turbine Generator
Francis Turbine Generator
Hunan Electric Power Insulator & Apparatus Co., Ltd.
🇨🇳 China
201011-50 peopleManufacturer
Eco-friendly supplier
Low MOQ
OEM manufacturer
Shipments
29
Key customer
K ELECTRONIC
Key market
North America
Description
Hunan Electric Power Insulator & Apparatus Co., Ltd., operating under the brand SANDIAN, is a professional manufacturer of HV Instrument Transformers based in Liling, China. Established in 2015, the company specializes in Current Transformers, Voltage Transformers, and Capacitive Voltage Transformers, with products supporting voltage classes up to 765kV. They offer OEM services and have a factory with 9 production lines. The company is certified with ISO 9001, ISO 14001, and GB/T28001, demonstrating a commitment to quality, environmental, and occupational health and safety management systems. With an R&D team of 31-40 people, Hunan Electric Power Insulator & Apparatus Co., Ltd. exports its products to over 30 countries worldwide, maintaining an export percentage of 21%-30% and employing 11-20 foreign trading staff. Their annual output value ranges from US$50 Million to US$100 Million.
123KV Current Transformer$3000
36kV~245kV Inductive Voltage Transformer$3500
550kV Oil-Immersed Inverted Tank Current Transformer (LVB--550)$18000
72.5kv Oil-Immersed Inverted Tank Current Transformer (LVB-72.5)$3000
230kv Oil-Immersed Inverted Tank Current Transformer (LVB-245)
420kV SF6 Gas Insulated Current Transformer
110kv Sf6 Gas Insulated Current Transformer--Lvqb-145
230kv Sf6 Gas Insulated Current Transformer-Lvqb-245
150kv Oil-Immersed Inverted Tank Current Transformer (LVB-170)$5000
72.5KV Current Transformer$2500
330kv Oil-Filling Current Transformer (LB-362/330)$6000
145kv Oil-Immersed Inverted Tank Current Transformer (LVB-145)$4000