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Explore our full range of high-performance power equipment. From Oil-Immersed and Dry-Type Transformers to integrated Substations and Switchgear, FIJ Industrial Technology provides reliable solutions for global energy distribution.

Oil Transformer

S13 Series 3 Phase Oil-Immersed Power Transformer

Model Series	S13 Series Oil-Immersed Power Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 3150 (KVA)
High voltage (kV)	10kV / 6.3kV / 6(kV)
Low voltage(kV)	0.4(kV)
Short-circuit resistance(%)	4.0 / 4.5 / According to customer needs
Tapping range	+5% +2×2.5%

Oil Transformer

S20 Energy Efficiency Stage 2 Oil-Immersed Transformer

Model Series	S20 Energy Efficiency Stage 2 Oil-Immersed Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10kV / 6.3kV / 6(kV)
Low voltage(kV)	0.4(kV)
Short-circuit resistance(%)	4.0 / 4.5 / 5 / According to customer needs
Tapping range	+5% +2×2.5%

Oil Transformer

S22 Type Energy Efficiency Primary Oil Immersed Transformer

Model Series	S22 Type Energy Efficiency Primary Oil Immersed Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10kV / 6.3kV / 6(kV)
Low voltage(kV)	0.4(kV)
Short-circuit resistance(%)	4.0 / 4.5 / 5 / According to customer needs
Tapping range	+5% +2×2.5%

Oil Transformer

35kV Power Transformer Manufacturer

Model Series	35kV Power Transformer
Connection group grade	Yd11 or YNd11
Rated capacity(KVA)	30 ~ 3150 (KVA)
High voltage (kV)	35 ~ 38.5 (kV)
Low voltage(kV)	3.15/ 3.3/ 6.3/6.6/ 10.5/ 11(kV)
Short-circuit resistance(%)	6.5 / 7.0/ 7.5 / 8.0
Tapping range	+5% +2×2.5%

Dry Transformer

SC(B)11 Dry Type Transformer

Model Series	SC(B)11 Dry-Type Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10 (kV) / 35 (kV)
Low voltage(kV)	0.4/3.5/6/ 6.3/10/ 10.5/ 11(kV)
Short-circuit resistance(%)	4 / 6 / 8.0
Tapping range	+5% +2×2.5%

Dry Transformer

SG(B)13 / SC(B)13 Dry-Type Transformer

Model Series	SG(B)13 / SC(B)13 Dry-Type Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10 6.3 6 (kV)
Low voltage(kV)	0.4 (kV)
Short-circuit resistance(%)	4 / 6
Tapping range	+5% +2×2.5% or other

Dry Transformer

SCB14 Energy Efficiency Two-Stage Dry Type Transformer

Model Series	SCB14 Energy Efficiency Two-Stage Dry Type Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10 6.3 6 (kV)
Low voltage(kV)	0.4 (kV)
Short-circuit resistance(%)	4 / 6 / 8
Tapping range	±5% ±2×2.5% ±3 or-1 x2.5%

Dry Transformer

SCB18 Energy Efficiency Level One Cast Resin Dry Transformer

Model Series	SCB18 Energy Efficiency Level One Dry-Type Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10 6.3 6 (kV)
Low voltage(kV)	0.4 (kV)
Short-circuit resistance(%)	4 / 6 / 8
Tapping range	±5% ±2×2.5% ±3 or-1 x2.5%

Oil Transformer

SH15 Amorphous Alloy Oil Immersed Power Transformer

Model Series	SH15 Amorphous Alloy Transformer
Connection group grade	Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	11 10 10.5 6.3 6 (kV)
Low voltage(kV)	0.4 (kV)
Short-circuit resistance(%)	4 / 4.5 / 5
Tapping range	±5% or ±2×2.5%

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Industry Applications

Our products are widely utilized across a diverse range of sectors, including national power grids, urban infrastructure, hydropower, wind and solar energy plants, and airports. We also provide specialized power solutions for heavy industries such as metallurgy, petroleum, petrochemicals, and mining, ensuring stable and efficient energy supply for large-scale enterprises.

Commitment to Quality & Innovation

Since our inception, FIJ has remained committed to the philosophy of “Technology-Driven, Quality First, and Integrity-Based.” We prioritize technological R&D and utilize advanced computer-aided design to ensure our products meet the highest industry standards. Operating strictly under the ISO9001 quality management system, we strive for excellence in every component we manufacture, providing our users with optimized and reliable power equipment solutions.

Exceptional Service Excellence

FIJ Industrial Technology Co., Ltd. has established a robust marketing and technical support network. We implement a “7×24-hour rapid response mechanism” to ensure customer peace of mind. Our service commitment includes:

Free replacement within one year for quality issues.
Three-year warranty on major equipment.
Lifetime maintenance and technical support.

By eliminating customer concerns and increasing the added value of our products, we aim to achieve sustainable, “win-win” development with our partners.

Global Cooperation

FIJ Industrial Technology Co., Ltd. sincerely welcomes partners from all over the world to visit our facilities in Tianjin for business discussions. With our advanced technology, sophisticated manufacturing equipment, and unwavering reputation, we look forward to building a bright future in the global power industry together.

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