Jiangsu Huailai Electric Technology Co., Ltd., a high-tech enterprise founded in August 2020, specializes in the R&D, manufacturing and global sales of power transformers, high and low voltage complete switchgears, box-type substations and supporting electrical equipment. Covering over 100 mu of factory land with a registered capital of 30 million RMB, our facility houses more than 200 professional staff, including 10 senior engineers and 30 intermediate technical specialists, enabling us to deliver reliable, energy-saving electrical solutions to global buyers.
Full Product Portfolio for Global Power Projects
We supply a full range of transformers and distribution equipment to meet diverse international power grid, industrial, commercial and renewable energy project demands:
1. Oil-Immersed Power Transformers
· S11 Series 10kV/20kV/35kV Oil Immersed Transformers: Low no-load loss, low noise, fully sealed design, maintenance-free, short-circuit resistant, available from 30kVA to 31500kVA.
· S13 & S13-M.RL Stereo Wound Core Transformers: Industry-leading ultra-low energy consumption; no-load loss reduced by 18%–28% compared to traditional iron core transformers, ideal for energy-saving grid upgrades.
· SH15 Amorphous Alloy Transformers: Ultra-low idle power loss, cutting operational electricity costs by over 70%, a top choice for green power and photovoltaic projects.
· 35kV SZ11 Series Oil Immersed Transformers: High voltage regulation capacity, stable performance for large industrial parks, mining and municipal power stations.
2. Dry-Type Power Transformers
· SC(B)10 / SC(B)11 / SC(B)13 Epoxy Resin Cast Dry Transformers: Flame retardant, explosion-proof, zero pollution, suitable for hospitals, high-rise buildings, shopping malls and underground power rooms.
· SC(B)H15 Amorphous Alloy Dry Transformers: Super energy-efficient, low noise, compact structure with outstanding mechanical strength.
· SG(B)10 Air Natural Dry Transformers: Non-encapsulated design, excellent heat dissipation, strong overload tolerance for heavy industrial loads.
· 20kV Grade SC(B)10 Dry Transformers: Customized for international 20kV power distribution networks.
3. Box-Type Substations & Complete Switchgear
· ZGS Combined Box-Type Substations & YB Prefabricated Substations: Compact footprint, fast installation, all-in-one transformer + high/low voltage cabinet integration, widely used in solar farms, residential zones and industrial zones.
· GGD Low Voltage Complete Switchgear & GCS Draw-out Low Voltage Cabinets: IP30 protection grade, stable power distribution, motor control, reactive power compensation for factory and substation supporting systems.
Core Competitive Advantages for Global Clients
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Strict Quality & International Certifications All products pass national transformer quality inspection, National Electric Power Certification Center PCC authentication and energy-saving product certification. We hold honors including China Famous Brand, China Energy-Saving & Eco-Friendly Product, AAA Credit Enterprise, 3·15 Integrity Enterprise, and fully comply with ISO9001 quality management standards. Every unit undergoes full performance testing before delivery to guarantee consistent reliability for overseas operation.
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Strong Independent R&D Capacity We maintain long-term technical cooperation with Shandong University, China Petroleum University and Shenyang Transformer Research Institute. Our R&D team of over 40 specialists holds 8 national invention patents, continuously developing low-carbon, high-efficiency new transformer models aligned with global carbon neutrality targets. We can provide customized design for special voltage grades, capacities and environmental working conditions.
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Advanced Production & Cost-Effective Supply Equipped with complete automated production lines and precision testing equipment, we control every production link from raw silicon steel and amorphous alloy materials to finished assembly. Our large-scale manufacturing capacity shortens lead times and offers competitive factory-direct pricing without middlemen markup. Our products have been exported to 16+ provinces in China and well-received by overseas purchasers across Asia, Africa, Southeast Asia and the Middle East.
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Comprehensive Global After-Sales Support We offer full technical documentation in English, on-demand factory inspection, pre-shipment video testing, flexible packaging for sea transportation, and remote technical guidance for installation, commissioning and daily maintenance. Our team provides one-stop solutions from project scheme design to spare parts supply for long-term cooperation partners.
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Cooperation Invitation
Whether you are power engineering contractors, electrical distributors, renewable energy developers, mining factory operators or municipal power bureaus worldwide, Jiangsu Huailai Electric welcomes your inquiries for catalogs, technical datasheets, factory tours and customized quotation. We adhere to the management philosophy of "Integrity-based, Innovation-driven", committed to supplying high-efficiency, low-carbon transformer and power distribution equipment to support global power infrastructure development.
Contact us to build a long-term win-win electrical equipment partnership!
Company: Jiangsu Huailai Electric Technology Co., Ltd. Address: Nianzhuang Town Industrial Park, Jiangsu Province, China
