Against the backdrop of worldwide grid modernization, renewable energy expansion and surging demand for safe, low-loss power distribution equipment, Jiangsu Hualai Electrical Technology Co., Ltd., a professional Chinese transformer manufacturer integrating R&D, production and global after-sales service, officially launches global cooperation recruitment for distributors, power utility companies, engineering contractors and project developers across Europe, Southeast Asia, the Middle East, Africa, Latin America and Oceania. We supply full-series oil-immersed and epoxy cast dry-type transformers compliant with international standards, offering customized, cost-effective, energy-saving power transformation solutions for all commercial, industrial and municipal power construction projects.

Our product portfolio fully covers mainstream specifications widely adopted in global power systems, with capacity ranging from 20kVA to 2500kVA and standard voltage grades of 6kV, 10kV, 10.5kV and 35kV, supporting ±5% (3-tap) or ±2×2.5% (5-tap) voltage regulation, with standard connection groups Yyn0 / Dyn11 to match local grid standards.

Our S9/S11/S13/S18/S20/S22 energy-saving oil-immersed transformers and SH15/SH21/SH25 amorphous alloy transformers follow GB20052-2020 new energy efficiency standards, with sealed tank structure for zero oil leakage risk.

· Core advantages: Excellent oil circulation heat dissipation via external radiators, Class A insulation, strong overload capacity, lower unit cost, long service life.

· Application: Outdoor substations, industrial parks, renewable energy power stations, rural power grid upgrading, projects with accident oil pits.

· Cold-resistant option: Equipped with No.25 transformer oil (-25°C minimum operating temp) or No.45 oil (-45°C ultra-low temperature) for cold-region markets like Northern Europe, Central Asia and Canada.

Vacuum epoxy casting dry-type transformers feature Class F/H insulation, built-in cooling fans, no flammable liquid inside, fully fireproof and explosion-proof without oil leakage hazards.

· Core advantages: Compact structure, indoor installation allowed, low maintenance, zero fire risk, high safety performance.

· Application: High-rise buildings, shopping malls, data centers, subway, airport, tunnel, chemical plants, nuclear facilities and offshore platforms with strict fire protection requirements.

All our transformers are strictly designed and manufactured based on electromagnetic induction principles, with complete core components including iron core, winding, insulation, tap changer, protection devices and insulating bushings.

· Complete protection system: Oil conservator, breather, gas relay, temperature monitor, safety diaphragm for oil-immersed types; temperature control and overheat alarm for dry-type units.

· Accurate load calculation support: We provide professional technical calculation service for clients – low voltage current = Capacity(kVA) ÷ 1.732 ÷ 0.4kV; high voltage current = Capacity(kVA) ÷ 1.732 ÷ 10kV. We also assist customers to select matched transformer capacity via formula: Transformer Capacity = Actual Load Power ÷ 0.8.

· Global standard adaptability: Products meet IEC, IEEE and mainstream regional power standards, supporting customized voltage, tap range and connection group for local grid requirements.

From conventional low-loss models to ultra-high-efficiency amorphous alloy transformers (SH series), we cover all energy-saving grades to help clients cut long-term electricity loss and meet global carbon neutrality policies.We support on-load /off-load tap switch customization, size adjustment, special cold-resistant oil configuration, and OEM & ODM cooperation for local brand distributors.Complete domestic industrial chain support, standardized mass production, flexible production schedule to ease the global transformer supply shortage, with stable delivery cycle for bulk orders and project tender orders.Multilingual international sales team, complete technical drawing, operation manual and installation guide; overseas after-sales engineers available for on-site guidance for large projects.We sincerely invite global partners of all types to establish long-term win-win cooperation with us:

· Overseas power equipment distributors & agents: Exclusive regional distribution cooperation with favorable agency price and marketing support.

· International engineering & EPC contractors: Bulk tender supply for municipal grid, real estate, industrial park, new energy infrastructure projects.

· Power utility & grid operation companies: Customized high-efficiency transformer batch procurement for grid renovation.

· Equipment manufacturers & system integrators: Supporting transformer matching for complete power cabinet and substation equipment export.

Whether you need sample testing, small batch trial order or large-scale framework procurement, our technical team will provide free parameter matching, load calculation and quotation within 24 hours.