Our Goal
About SUNJ
Honorary Certificate:
SUNJ has an ISO9001 certified quality management system and an ISO14001 certified environmental management system!
The product has passed IEC 61238, IEC 61284, NFC 33042 standard certification
- 15+ Years in Industry
- 80+ Countries served
- 32+ Utility Approvals
- 800+ Projects executed Globally
Your Electrical Friend
We will continue to improve ourselves and sincerely invite you who are interested in our products to develop business together.
We insist on providing quality products
Competitive prices, perfect after-sales service, and a strategy of timely development of new products to meet customer needs.
Overseas Warehouse in Turkey: Fast Delivery, Lower Shipping Costs and Localized Service
Technical Advantages
Among electrical suppliers of the same scale and production capacity, we have a professional team of engineers and strict quality control!
Market Experience
With experience in supplying to many national power companies, we can respond quickly and provide precise services according to customer needs!
Blog
How Electron Beam Irradiation Improves Polymer Material Performance
Polymer materials are widely used in modern industries, including electrical insulation, automotive components, packaging, medical devices, and construction materials. However, traditional polymers often face limitations such as low heat resistance, weak mechanical strength, and poor aging performance.
The Importance of Waterproof Sealing in Cable Joint Kits
Cable joint kits are essential components in modern electrical systems, providing secure connections between power cables while maintaining insulation, conductivity, and mechanical protection. However, one of the biggest threats to cable joint reliability is moisture intrusion.
How to Maintain Mechanical Lugs: Tips for Long-Lasting Performance
Mechanical Lugs need regular inspection, cleaning, and tightening to prevent corrosion, overheating, and loosening, ensuring safe, reliable, long-lasting performance.
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