Keeping up with international trends, we provide insulation piercing taps and insulation piercing connector ipc with high standards that are in line with future trends. We always adhere to the customer and application-centered approach and are deeply involved in the electrical piercing connector field. We look forward to working with you to develop together and establish a long-term cooperative relationship of mutual trust. We uphold the concepts of professionalism, integrity, and reliability, and are committed to providing you with solutions from a professional perspective with excellent quality, efficient service, and more competitive costs. We embrace development with an open mind, share results, and create a harmonious working atmosphere. Technological innovation is our core driving force, and we will actively invest in the research and development of new technologies and products. We firmly believe that development depends on employees, development is for employees, and development results are shared with employees. Pay attention to the common interests of the company and employees, advocate unity and collaboration, and jointly create value, and ultimately achieve a win-win situation where the company and employees develop together and share success.
FAQ
Do You Provide Customized Services?

Yes, we provide customized services to meet your specific needs. As a professional Electric Power Fittings manufacturer, we offer tailored solutions including custom designs, material selection, sizes, and operational features.

What Is Your R&D Capability?

Our R&D capability is supported by full industry chain management, ensuring control from raw materials to product design and processing. We deliver high-quality Electric Power Fittings Products, and tailored solutions to meet customer needs.

How Is The Quality Of Your Electric Power Fittings?

SUNJ has an ISO9001-certified quality management system and an ISO14001-certified environmental management system! Our products has passed IEC 61238, IEC 61284, NFC 33042 standard certification. Our products deliver consistent performance you can trust.

What Electric Power Fittings Solutions Does Your Company Provide?

SUNJ offers a wide range of solutions, including aerial overhead line fittings, ABC accessories, polymer insulators, lightning Arresters, Drop-out Fuse Cutouts, Disconnect Switch, Auto-iRecloser, SF6 Gas Circuit Breaker. Designed for reliability and performance, our products support power transmission, equipment protection, and grid automation.

Why Choose SUNJ?
Comprehensive Whole-Industry Chain Management
We adhere to a fully traceable industry chain model, managing and monitoring every step from raw materials to final processing. This ensures consistent quality, reliability, and transparency in all our products.
Reliable Power Transmission and Distribution Solutions
At SUNJ, we offer high-performance solutions for power transmission and distribution. Our product range includes Aerial Overhead Line Fittings, ABC Accessories, Polymer Insulators, Lightning Arresters, Fuse Cutouts, Disconnect Switches, Auto-Reclosers, and SF6 Gas Circuit Breakers. Designed for durability and precision, our products ensure efficient power flow, equipment protection, and grid automation.
Strict Quality Control for Superior Electric Power Fittings
At SUNJ, we ensure superior quality management by implementing strict controls across every stage, from material sourcing to final inspection. Strictly following ISO 9001 quality management system and ISO 14001 environmental management system standards, our Electric Power Fittings have unparalleled durability, reliability, and performance.
Trusted Electric Power Fittings Partner
With over 15 years of experience, SUNJ is a global leader in power fittings solutions. Serving 80+ countries with 32+ utility approvals and 800+ successful projects, we ensure ISO 9001 and ISO 14001 certified quality and reliability for every product.
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