Fujian Xiongfeng Electric Co., Ltd. was founded in 1997.
The company is located beside Yuhua Cave in Jiangle County, which is known as "a secluded cave hiding fairy-like beauty". It is surrounded by the Wuyi Mountain Scenic Area, renowned for its wonderful scenery ranking first in the southeast, and the Taining大金湖 (Dajin Lake) with red cliffs and clear waters. It is like a bright pearl embedded in the landscape painting of northwestern Fujian.
The company covers an area of 20,000 square meters, with a construction area of 13,300 square meters. Having been deeply engaged in the electrical field for more than 20 years, it adheres to the tenet of "technological innovation and quality first" and provides customers with a full-chain service covering "electrical equipment products", "general contracting of electric power projects", "undertaking, repairing and testing of electric power facilities", "special contracting of electronics and intellectualization" and "construction labor". With its pursuit of excellence in quality and details, the company has won wide praise from users.
In terms of qualifications and honors, the company has strong strength: it has passed the mandatory product certification of China Quality Certification Center (CCC certificate) and obtained the "type test" certification from the National High and Low Voltage Electrical Appliances and Transformers Quality Supervision and Inspection Center; it has core qualifications such as Grade II of General Contracting for Electric Power Engineering, Grade III of Undertaking, Repairing and Testing, Grade II of Special Contracting for Electronics and Intellectualization, and strictly implements the whole-process quality control in accordance with ISO9001 quality system and national industry standards. Since 2006, the company has been continuously rated as "the annual unit exempted from annual inspection by the Industrial and Commercial Bureau". The "Xiongfeng" trademark has successively won the titles of "Sanming Famous Trademark" and "Fujian Famous Trademark"; since 2007, it has been awarded "Fujian Contract-abiding and Credit-keeping Enterprise" consecutively; since 2013, its high-voltage complete sets of equipment have been awarded "Fujian Famous Brand Product"; it has also successively obtained titles such as "Member of Fujian Environmental Protection Industry Association", "Fujian Quality and Integrity System Construction Unit", "Member of Units Valuing Quality and Abiding by Reputation"; in 2018, it even ranked among "Fujian Science and Technology Little Giant Leading Enterprise" and "High-tech Enterprise Cultivation Unit"; in 2024, it was listed in the national "Specialized, Refined, Characteristic and Novel" enterprises, and has accumulated a number of national utility model patents.
The following are the main products and components produced/sold by our company:
### **I. Power Transformers**
1. **Dry-type Transformers**
- SCB10-800/10: Capacity 800kVA, high-voltage side voltage 10kV, suitable for high-rise buildings, data centers, etc.
- SG-100/10: Three-phase dry-type air self-cooling, capacity 100kVA, high-voltage side voltage 10kV.
2. **Oil-immersed Transformers**
- S11-M-500/10: Capacity 500kVA, high-voltage side voltage 10kV, suitable for industrial and mining enterprises, civil buildings.
- S13-M-1000/35: Fully sealed, capacity 1000kVA, high-voltage side voltage 35kV, used in 35kV power grids.
- SZ-50000/110: Three-phase on-load voltage regulation, capacity 50000kVA, high-voltage side voltage 110kV.
- SFFZ7—40000/220: Three-phase air-cooled split on-load voltage regulation, capacity 40000kVA, high-voltage side voltage 220kV.
3. **UHV/Special Transformers**
- ODFPS-1000000/1000: UHV AC transformer, capacity 1000000kVA, voltage level 1000kV.
- DFP（Z）-100000～400000/220: Matched with thermal power units, single-phase forced oil circulation air-cooled, capacity 100000-400000kVA, high-voltage side 220kV.
- SFP（Z）-720000～1200000/500: Matched with nuclear power units, three-phase forced oil circulation air-cooled, capacity 720000-1200000kVA, high-voltage side 500kV.
- SSP-(H)-680000～890000/500: Matched with hydroelectric units, three-phase self-cooling, capacity 680000-890000kVA, high-voltage side 500kV.
4. **Pad-mounted Substations**
- ZBW-400/10: Capacity 400kVA, high-voltage side voltage 10kV, suitable for outdoor integrated power supply.
### **II. Circuit Breakers**
1. **SF₆ Circuit Breakers**
- LW36-126/1250A, 31.5KA: 110kV outdoor, rated current 1250A, short-circuit breaking current 31.5kA.
- LW13-252/3150A, 40kA: 220kV outdoor, rated current 3150A, short-circuit breaking current 40kA.
- LW36-126: 126kV outdoor, design number 36, used for high-voltage switchgear.
2. **Vacuum Circuit Breakers**
- ZW32-40.5/630-25: 35kV outdoor pole-mounted, rated current 630A, short-circuit breaking current 25kA.
- VS1-12/1250-31.5: 10kV indoor, rated current 1250A, short-circuit breaking current 31.5kA.
- ZN63A-12/1600-31.5: 10kV indoor, rated current 1600A, short-circuit breaking current 31.5kA.
- ZN4-10/600: 10kV indoor, rated current 600A.
- HVX-12: 12kV, small size, long service life, suitable for urban power grids and industrial power distribution.
3. **Air Circuit Breakers/Oil-minimum Circuit Breakers**
- TGW1N series: Low-voltage air circuit breakers, rated current 200~6300A, voltage AC380~690V, breaking capacity 50~120kA.
- DW15 series: Low-voltage air circuit breakers, rated current 100~5000A, voltage AC380V, breaking capacity 20~80kA.
- SN10-10I: 10kV indoor oil-minimum, with small interrupting capacity.
### **III. Isolating Switches**
1. **Outdoor Isolating Switches**
- GW4-126D/1250A: 110kV, rated current 1250A, single grounding, used in 110kV substations.
- GW4-40.5D/1250A: 35kV, rated current 1250A, single grounding, used on the main transformer side of 35kV substations.
- GW13-72.5/630A: For neutral point, rated current 630A, single-phase electric operation, used in 110kV substations.
- GW5-35/630A: 35kV, rated current 630A, used in outdoor power distribution devices.
- GW4-110: 110kV, double-column structure.
2. **Indoor Isolating Switches**
- GN19-12/1250A: 10kV, rated current 1250A, used in 10kV switch cabinets.
- GN22-10/4000: 10kV, rated current 4000A, suitable for large substations and power plants.
- HGL-630: Low-voltage, rated voltage AC400V/690V, current 630A, withstanding current 25kA/1s, 3P/4P optional.
- HGL-400: Low-voltage, rated voltage AC400V/690V, current 400A, withstanding current 20kA/1s, 3P/4P optional.
### **IV. Current Transformers**
- LR-110 200~400/5A 0.2 class: 110kV oil-immersed, transformation ratio 200~400/5A, accuracy 0.2 class.
- LRD-110 200~400/5A 10P30: 110kV oil-immersed, transformation ratio 200~400/5A, protection class 10P30.
- LZZB-10 100/5A: 10kV, transformation ratio 100/5A, used for measurement and protection.
- LB6-35 200/5A 0.2S/10P20: 35kV, transformation ratio 200/5A, accuracy 0.2S class and 10P20 class.
- LVQB-110 300/5A 0.2/10P: 110kV SF₆ type, transformation ratio 300/5A, accuracy 0.2 class and 10P class.
- LZZB9-10: 10kV indoor epoxy casting, used for measurement and protection.
- LMZ1-0.5: 0.5kV busbar type, used in low-voltage power distribution systems.
- LFZB4-10: 10kV epoxy casting, multi-turn type with protection class.
- BH-0.66: 0.66kV indoor, used for low-voltage measurement and overload protection.
### **V. Voltage Transformers**
- TYD110/√3-0.01H 0.5/3P: 110kV capacitive, rated voltage 110/√3kV, accuracy 0.5 class and 3P class.
- JDXF-110 110/√3/0.1/√3/0.1/√3/0.1KV 0.2/0.5/3P: 110kV oil-immersed, accuracy 0.2 class, 0.5 class, 3P class.
- JDZ10-10 10/0.1kV 0.5 class: 10kV indoor, accuracy 0.5 class.
- JSZV-35 35/√3/0.1/√3/0.1kV 0.5/3P: 35kV, accuracy 0.5 class and 3P class.
- TYD220/√3-0.005H: 220kV capacitive, used for voltage measurement and protection.
- JDZJ-10: 10kV single-phase epoxy casting, used for measuring line voltage, phase voltage and zero-sequence voltage.
- JSJW-10: 10kV oil-immersed three-phase five-column type, can measure zero-sequence voltage.
- YDR-110: 110kV capacitive, with residual voltage winding.
### **VI. Switch Cabinets**
- KYN61-40.5（Z）: 35kV mid-mounted type, used for indoor power distribution devices.
- JYN2-12: 10kV间隔移开式 (interval withdrawable type), used in substations and industrial power distribution.
- XGN2-12: 10kV box-type fixed cabinet, can be used as main transformer incoming cabinet, PT cabinet, etc.
- KYN28A-12: 10kV mid-mounted type, commonly used model in the system.
- GCK: Low-voltage withdrawable type, rated voltage 0.4kV, used in low-voltage power distribution systems.
### **VII. Reactors**
1. **UHV/High-voltage Shunt Reactors**
- BKD-280000/1000: 1000kV UHV, capacity 280000kvar, used for reactive power compensation of UHV lines.
- BKD-30000～80000/500: 500kV, capacity 30000-80000kvar, used in 500kV power grids.
- BKD-240000/1000: 1000kV UHV, capacity 240000kvar.
- BKD-60000～120000/750: 750kV, capacity 60000-120000kvar.
2. **Dry-type/Air-core Reactors**
- CKSC-100/10-6: 10kV dry-type iron core series, capacity 100kvar, reactance rate 6%, used for reactive power compensation.
- NKL-10-1000-6: 10kV air-core, rated current 1000A, reactance rate 6%, used for limiting short-circuit current.
3. **Surge Arresters**
- FCD-35: 35kV magnetic blow surge arrester, protecting equipment from overvoltage damage.
### **VIII. Capacitors**
1. **High-voltage Shunt Capacitors**
- BAM11/√3-50-1W: Rated voltage 11/√3kV, capacity 50kvar, single-phase.
- BFM10.5-334-3W: Rated voltage 10.5kV, capacity 334kvar, three-phase.
- TBB10-12000/600-AK: 10kV collective type, total capacity 12000kvar, single unit 600kvar.
- TBB10-1200/334AC: 10kV complete set, total capacity 1200kvar, single unit 334kvar, delta connection.
- TBB35-3000/50AK: 35kV complete set, total capacity 3000kvar, single unit 50kvar, star connection.
2. **Low-voltage Capacitors**
- BSMJ0.4-30-3: Self-healing type, rated voltage 0.4kV, capacity 30kvar, three-phase.
- BZMJ0.4-10-3: Self-healing type, medium is polypropylene film, rated voltage 0.4kV, capacity 10kvar, three-phase.
- BCMJ0.525-20-3: Self-healing type, rated voltage 0.525kV, capacity 20kvar, three-phase.
- CKSG-50/0.4-12: Low-voltage series, matched with low-voltage capacitors, capacity 50kvar, reactance rate 12%.
### **IX. Generators**
- 500kW 0.4kV: Rated power 500kW, voltage 0.4kV, used in small power plants or standby power supplies.
- 800kW 0.4kV: Rated power 800kW, voltage 0.4kV, used as standby power supply for medium-sized enterprises.
- 1090kW 0.4kV: Rated power 1090kW, voltage 0.4kV, suitable for standby scenarios with larger loads.
- DFP（Z）-100000～400000/220: Matched with 220kV thermal power units, power 100000-400000kW.
- SFP（Z）-720000～1200000/220: Matched with 220kV nuclear power units, power 720000-1200000kW.
### **X. Busbars**
- GGFM-40.5/1000A-Z: 35kV enclosed busbar, rated current 1000A, including TMY-63*10 copper busbar.
- GGFM-10.5/3000A-Z: 10kV enclosed busbar,
