Grain-Oriented Silicon Steel (CRGO)
Cold-rolled grain-oriented electrical steel for wound and stacked transformer cores.
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Product system
Transformer Industry
The complete supply spine of a transformer factory, from silicon steel coil to production equipment. Each family is sourced to drawing, standard and destination market, inspected before consolidation and shipped as one commercial lot.
12 families87 products
9 products
Silicon Steel
Grain-oriented and non-oriented electrical steel as master coil, slit strip and mill-brand supply.
Non-Oriented Silicon Steel (CRNGO)
Non-oriented electrical steel for small transformers, reactors and adjacent electrical equipment.
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Master Coil
Full-width mill coil for factories that slit and cut in-house.
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Slit Strip
Coil slit to the core builder's strip width with controlled burr and edge quality.
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BrandBaosteel Silicon Steel
Baosteel grain-oriented and non-oriented electrical steel, sourced to order.
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BrandWISCO Silicon Steel
Wuhan Iron & Steel electrical steel for transformer and machine cores.
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BrandBaowu Silicon Steel
China Baowu electrical steel, including high-grade CRGO for power transformers.
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BrandAnsteel Silicon Steel
Ansteel electrical steel grades for core production.
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BrandOther Mill Brands
Qualified alternatives from other domestic and overseas electrical steel mills.
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2 products
Amorphous Materials
Iron-based amorphous ribbon and finished amorphous cores for low-loss distribution transformers.
4 products
Transformer Cores
Stacked, octagonal, wound and amorphous cores built and loss-tested to the core drawing.
Stacked Core
Step-lap CRGO cores cut, stacked and clamped to the transformer design.
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Octagonal Core
Octagonal-section cores for large power transformers with high filling factor.
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Wound Core
Wound cores for compact distribution and toroidal transformers, stress-relief annealed.
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Amorphous Core
Amorphous cores for distribution transformers, supplied annealed and loss tested.
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7 products
Electromagnetic Wire
Enamelled round and rectangular copper or aluminium wire, aluminium rod, stranded copper and paper-covered wire.
Enamelled Round Copper Wire
Polyester or polyamide-imide enamelled round copper wire for transformer windings.
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Enamelled Round Aluminium Wire
Enamelled round aluminium wire as a lighter, lower-cost winding conductor.
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Enamelled Rectangular Aluminium Wire
Rectangular enamelled aluminium wire for compact LV windings.
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Enamelled Rectangular Copper Wire
Rectangular enamelled copper wire for high-fill LV and HV windings.
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Aluminium Rod
EC-grade aluminium rod for drawing enamelled and paper-covered wire.
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Stranded Copper Conductor
Stranded copper conductor for leads, connections and flexible runs.
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Paper-Covered Wire
Paper-wrapped copper or aluminium conductor for oil-immersed windings.
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5 products
Epoxy Resin
Cast-resin systems for instrument and dry-type transformers, Huntsman alternatives and Henkel adhesives.
Instrument Transformer Epoxy — Indoor
Filled epoxy casting system for indoor current and voltage transformers.
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Instrument Transformer Epoxy — Outdoor
Weather-resistant epoxy casting system for outdoor current and voltage transformers.
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Dry-Type Transformer Epoxy Resin
Cast-resin system for dry-type transformer windings, thermal class F or H.
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Huntsman Alternative Epoxy Resin
Drop-in alternative to Huntsman casting systems, matched on key properties.
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Epoxy Adhesive (Henkel)
Henkel epoxy adhesive for bonding insulation, spacers and core components.
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22 products
Insulation Materials
Insulating paper, pressboard, paper tubes and fabricated insulation parts cut to drawing.
Insulating Paper7
Insulating Paper
Electrical-grade kraft paper in rolls for conductor wrapping and layer insulation.
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Heat-Resistant Insulating Paper
Heat-stabilised insulating paper for higher winding temperatures.
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Dotted Adhesive Paper
Adhesive-coated insulating paper for oil ducts and layer bonding.
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DMD Composite Insulation
Polyester film bonded between two layers of non-woven fabric.
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NMN Composite Insulation
Aramid paper / polyester film laminate for class F–H insulation.
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Aramid Paper (NOMEX / METASTAR)
High-temperature aramid paper for class H insulation and flexible barriers.
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Crepe Paper
Creped insulating paper that conforms to irregular profiles on leads and coil ends.
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Pressboard3
Insulating Pressboard
High-density pressboard for barriers, spacers and lead supports.
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Aramid Pressboard
Rigid aramid board for high-temperature barriers and structural insulation.
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Spacer Strip
Pressboard spacers cut to section for winding oil ducts and support.
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Paper Tubes2
Other Insulation Parts10
Laminated Wood
Densified laminated wood for clamping structures and support blocks.
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Ring Pressed Board
Segmented ring pressboard for winding end pressure.
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Vertical Wood Support
Laminated wood supports that hold winding blocks in position.
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Stepped Wood
Stepped laminated wood for spacing and clamping around the core.
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Angle Ring
Angled pressboard rings for corner insulation between coils.
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Pressing Plate
Insulating pressboard plates that distribute clamping force over a winding.
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Pressing Block
Machined pressing blocks for local clamping and spacing.
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Wooden Screw Rod
Insulating wooden screw rod for clamped insulation assemblies.
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Wooden Nut
Insulating wooden nut matched to the wooden screw rod.
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Nylon Screw Rod
Nylon screw rod and nuts for insulation clamping where wood is unsuitable.
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11 products
Transformer Oil
Mineral oil, natural ester and synthetic ester fluids from the brands transformer factories specify.
Mineral Oil4
BrandShell Transformer Oil
Shell inhibited mineral insulating oil for oil-immersed transformers.
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BrandDongnam Mineral Oil
Dongnam mineral insulating oil for distribution and power transformers.
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BrandSavita Mineral Oil
Savita mineral insulating oil for transformer filling.
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BrandAPAR Mineral Oil
APAR mineral insulating oil for transformers and switchgear.
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Natural Ester6
BrandCargill FR3 Natural Ester
Cargill FR3 soy-based natural ester for fire-sensitive and environmentally regulated sites.
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BrandDS3 Natural Ester
DS3 natural ester fluid for environmentally sensitive installations.
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BrandDongnam Natural Ester
Dongnam natural ester for fire-resistant transformer applications.
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BrandDeep Natural Ester (Depushi)
Depushi natural ester fluid for distribution transformers.
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BrandSavita Natural Ester
Savita natural ester for environmentally regulated projects.
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BrandAPAR Natural Ester
APAR natural ester for distribution and pad-mounted transformers.
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3 products
Transformer Tanks
Power, single-phase and American-style pad-mounted tanks fabricated and pressure tested to drawing.
Power Transformer Tank
Welded power transformer tanks fabricated to drawing and pressure tested.
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Single-Phase Transformer Tank
Tanks for single-phase distribution transformers, fabricated and leak tested.
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American-Style Pad-Mounted Tank
Pad-mounted (American-style) transformer tanks with compartment layout.
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10 products
Transformer Parts
Oil level gauges, pressure relief valves, gas relays, valves and conservators for oil-immersed units.
Oil Level Gauge
Float-type oil level indicator for transformer conservators.
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Dial-Type Oil Level Gauge
Dial-indicating oil level gauge with visible pointer.
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Pressure Relief Valve
Spring-loaded relief valve protecting the tank from overpressure.
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Buchholz Relay
Gas and oil-surge relay with alarm and trip contacts.
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Gate Valve
Flanged gate valve for transformer oil lines and radiators.
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Ball Valve
Quarter-turn ball valve for oil filling, draining and sampling.
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Oil Drain Valve
Drain valve with protective cap for transformer tanks.
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Oil Drain Valve with Sampling Port
Drain valve with an additional sampling port for oil testing.
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Butterfly Valve
Flanged butterfly valve for oil filling, draining and filtering.
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Conservator Tank
Oil conservator with level gauge and breather connection.
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3 products
Radiators & Fans
Radiator panels plus cooling fans for power and dry-type transformers.
Radiator Panel
Hot-dip galvanized or painted radiator panels for transformer cooling.
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Power Transformer Cooling Fan
Low-noise cooling fan for power transformer radiators.
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Dry-Type Transformer Fan
Cross-flow cooling fan for cast-resin dry-type transformers.
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3 products
Equipment Consumables
Vacuum pump oil and process solvents that keep the production line running.
Vacuum Pump Oil (Leybold)
Leybold vacuum pump oil for drying and impregnation systems.
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Solvent ShellSol D60
Shell low-aromatic solvent for cleaning and process dilution.
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Solvent EXXSOL D60
ExxonMobil EXXSOL D60 solvent for cleaning and process use.
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8 products
Production Equipment
Slitting, cut-to-length, winding, casting, drying and annealing equipment for new lines and upgrades.
Silicon Steel Slitting Line
Slitting line for CRGO coil with edge quality control and recoiling.
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Silicon Steel Cut-to-Length Line
Servo-fed cut-to-length line producing lamination blanks.
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Core Winding Machine
Winding machine for wound and amorphous cores.
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Epoxy Resin Casting Equipment
Metering, mixing and vacuum casting equipment for epoxy windings.
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Foil Winding Machine
LV foil winding machine with edge alignment and tension control.
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Winding Machine
PLC-controlled wire winding machine for HV and LV windings.
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Vacuum Drying Oven
Vacuum and heat drying oven for transformer cores and windings.
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Annealing Furnace
Stress-relief annealing furnace for amorphous and CRGO cores.
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