Reliable Dry-Type & Oil-Immersed Transformer Supplier from China – Full Energy-Saving Certifications, Complete System Management & Core Patents Support Global Cooperation
Date: July 4, 2026
Source: Jiangsu Hualai Electrical Technology Co., Ltd.
Introduction to Our Company
Jiangsu Hualai Electrical Technology Co., Ltd., located in Miaozhuang Industrial Park, Xinghua City, Jiangsu Province, China, is a professional high-tech manufacturer specializing in the R&D, production and after-sales service of 35kV dry-type and oil-immersed transformers. We integrate design, manufacturing, testing and sales, and our products are widely applied in power grid construction, commercial real estate, industrial manufacturing, new energy power stations, transportation infrastructure and other global power supply scenarios.
Driven by global demands for energy conservation, carbon neutrality and safe power equipment, we have built standardized production workshops, complete performance testing laboratories and strict full-process quality control systems. We serve clients across Asia, Europe, Africa, Southeast Asia and other regions, providing customized transformer solutions tailored to local grid standards and project requirements.
Full Authoritative Certifications to Guarantee Product Quality & Energy Efficiency
Our core competitive advantage lies in internationally recognized authoritative certifications covering energy efficiency, quality, environment, occupational safety and independent intellectual property rights, which fully eliminate clients’ worries about product compliance and performance:
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Two Official China Energy-Saving Product Certification Certificates We have obtained energy-saving certificates issued by two top national certification bodies: CQC (China Quality Certification Center) and PCCC (Power (Beijing) Certification Center Co., Ltd.). Our dry-type transformers and oil-immersed transformers strictly comply with national energy efficiency standards CQC3137-2012 and CB/T64512-2012, passing full product type tests, factory inspections and annual post-certification supervision. Our transformers feature ultra-low no-load loss, low operating noise and remarkable energy-saving performance, effectively reducing long-term power consumption and operation costs for global power projects, perfectly matching global carbon reduction and energy-saving policies.
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Three Complete ISO Management System Certifications (CNAS & IAF Accredited)
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· ISO 9001 Quality Management System Certification: The full production process of our 35kV dry & oil-immersed transformers follows GB/T19001-2016/ISO9001:2015 standards. Every link from raw material incoming inspection to finished product delivery implements standardized quality control to ensure stable, consistent transformer performance.
· ISO 14001 Environmental Management System Certification: Our whole factory operation meets GB/T24001-2016/ISO14001:2015 environmental standards. We adopt low-pollution, recyclable production processes, control waste discharge and carbon emissions during manufacturing, meeting strict environmental access requirements of European, American and Southeast Asian markets.
· ISO 45001 Occupational Health & Safety Management System Certification: We comply with GB/T28001-2011/OHSAS18001:2007 safety standards, establishing standardized factory safety operation specifications, which ensures stable and sustainable mass production capacity to fulfill bulk overseas orders on schedule.
All three system certificates carry CNAS and IAF mutual recognition marks, which are globally accepted and recognized by mainstream engineering bidding systems worldwide.
1. Core Invention Patent for Independent R&D Capability We hold an official national invention patent for transformer core technology, proving our independent innovation capability in transformer structure optimization, loss reduction and anti-interference design. Instead of simply copying generic designs, our R&D team continuously upgrades product structures to enhance transformer safety, service life and operational efficiency, enabling us to provide exclusive customized designs for special working conditions such as high temperature, high humidity, coastal salt fog and high altitude.
Our Main Transformer Product Advantages
We focus on two mainstream transformer series for global market supply:
1. Dry-Type Transformers Featured with flame retardant, explosion-proof, low noise, maintenance-free performance; suitable for indoor shopping malls, hospitals, data centers, underground substations and densely populated urban power supply projects. Our dry-type transformers pass strict energy-saving certification, with ultra-low energy loss and high operation safety.
2. Oil-Immersed Transformers Adopt high-quality silicon steel sheets and high-insulation transformer oil, with strong heat dissipation, stable overload resistance and long service life. Widely used in outdoor power grids, industrial parks, photovoltaic/wind energy power stations and rural power renovation projects, with flexible voltage and capacity customization options.
All products support customized parameters: different capacity, voltage combination, insulation grade, cooling mode and protection configuration to match different countries’ grid standards (IEC, GB and regional special standards). We provide full test reports, certification documents and export customs clearance materials for each batch of goods.
Global Cooperation Invitation
With standardized factory production capacity, complete international certification documents, independent patent technology and professional overseas after-sales support team, Jiangsu Hualai Electrical sincerely invites global electrical distributors, power engineering contractors, new energy project developers and power grid investment companies to establish long-term win-win cooperative relationships.
We offer: ✅ Competitive direct factory pricing without intermediate dealers ✅ Customized transformer design according to local market standards ✅ Complete certification files for bidding and customs clearance ✅ Strict pre-delivery full performance testing ✅ Fast delivery cycle and global after-sales technical guidance ✅ Flexible OEM & ODM cooperation modes
Whether you need spot standard transformers or special customized power transformation equipment for large engineering projects, our technical and sales team will provide one-stop professional solutions within 24 hours.
Contact us now to get product catalog, technical parameter sheets and exclusive overseas cooperation quotation!
Company Name: Jiangsu Hualai Electrical Technology Co., Ltd. Address: Miaozhuang Industrial Park, Xinghua City, Jiangsu Province, P.R.China Business Scope: R&D, production & export of dry-type transformers, oil-immersed transformers Core Advantages: Full energy-saving certifications, ISO triple management systems, independent invention patents, factory direct supply
Writing Notes for Overseas Release
1. This article adopts neutral, professional business English suitable for industry news platforms, LinkedIn, industry media and official website news columns, avoiding overly exaggerated advertising words, focusing on certification credibility (the biggest concern for foreign buyers) and factory strength.
2. Highlight all your certificates one by one in logical order: energy-saving product certificates (core product performance), ISO three major systems (factory standardized management), invention patent (R&D innovation), foreign customers can quickly judge your product compliance and factory reliability.
3. Emphasize global market pain points: energy saving & carbon neutrality, international bidding certification requirements, customized adaptation to different national power grid standards, to resonate with overseas engineering purchasers and distributors.
4. If you need to publish on local foreign media, you can appropriately add product parameter data, factory workshop photos, certificate picture attachments together with this press release to improve persuasion.
