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OEM NACS Charging Connector Factories & Suppliers

High-Voltage Connection Systems Engineered for the North American Electric Vehicle Infrastructure

The Strategic NACS Shift in United States EV Infrastructure

The North American electric vehicle (EV) landscape is undergoing its most significant hardware standardization in history. With the official transition to the North American Charging Standard (NACS), standardized as SAE J3400, automakers, charge point operators (CPOs), and component manufacturers are rapidly aligning their product pipelines. This shift represents a unified ecosystem where both AC Level 2 and high-power DC fast charging are integrated into a single, compact connector.

For fleet operators, commercial properties, and municipal planners across the United States, sourcing reliable NACS charging connectors from verified OEM factories is critical. The demand is driven not just by Tesla's massive Supercharger footprint, but by the commitment of major automotive groups—including Ford, General Motors, Rivian, Hyundai, and BMW—to native NACS inlets. This transition requires a robust supply chain capable of delivering high-current, thermally stable, and UL-certified connector assemblies that can withstand severe environmental conditions.

SAE J3400 Compliant

Fully compliant with the latest US automotive standards for seamless vehicle-to-grid alignment.

High Power Delivery

Capable of supporting high-voltage DC fast charging up to 350kW+ with advanced thermal control.

NACS Charging Connector Infrastructure USA

Localized NACS Applications & Infrastructure Integration

From public highway corridors funded by the federal National Electric Vehicle Infrastructure (NEVI) program to private depot charging, NACS connectors serve diverse commercial use cases.

Public DC Fast Charging

Highway charging plazas require heavy-duty NACS connectors designed for continuous outdoor use. Our connectors feature robust impact resistance, IP67/IP69K sealing, and integrated temperature sensors to ensure safe, rapid energy transfer at high amperages without overheating.

Commercial Fleet Depots

US logistics operators deploying electric delivery vans and medium-duty trucks rely on standardized NACS solutions. Constant plug-and-unplug cycles require premium mechanical locking mechanisms and highly flexible, ergonomic wire harnesses that reduce operator fatigue and downtime.

Multi-Family & Workplaces

For Level 2 AC installations at apartments, office parks, and retail centers, NACS connectors provide a universal charging solution. OEM suppliers must offer custom cable lengths, smart dual-button control options, and sleek designs that blend with modern urban architectures.

Sanco Intelligent Connector Technology Co., Ltd.

Founded in 1999, SANCO is well known as a connection system solutions provider and a national high-tech enterprise integrating R&D, design, manufacturing, sales and after sales support for connectivity products. We are committed to becoming a global leader in the field of connectivity technology and high-voltage transmission products.

SANCO specializes in the R&D and manufacturing of electrical interconnection systems for automotive, rail transit, industrial, communications, and energy storage applications, including: high voltage EV connector, energy storage connector, EV charging connectors, manual service disconnect (MSD) units, Laminated busbar, Injection-molded busbar, signal and circular connectors, cell contact systems (CCS) and various precision components.

As a prominent industry leader, SANCO delivers comprehensive connection system solutions to clients worldwide. Our products are exported to over 100 countries worldwide, including major markets like North America, Europe, and the Asia-Pacific. Our solutions have been widely adopted by global Fortune 500 companies and industry-leading enterprises.

1999
Year Founded
Over two decades of connection system expertise
200+
Engineers Team
95% holding bachelor's degrees or higher
200+
Core Patents
Independent intellectual property for high-current tech
100+
Export Countries
Widely serving North America, Europe, and Asia-Pacific

Our OEM Production & Manufacturing Infrastructure

SANCO operates highly automated, state-of-the-art facilities. Our vertical integration ensures that every step—from raw material processing to final assembly—meets strict quality control standards.

Automatic Assembly Workshop
Automatic assembly workshop 1
Automatic assembly workshop 2
Automatic assembly workshop 3
CNC Machine Workshop
CNC Machine workshop 1
CNC Machine workshop 2
CNC Machine workshop 3
Cold Heading Workshop
Cold Heading workshop 1
Cold Heading workshop 2
Cold Heading workshop 3
Extruded Copper/Aluminum Busbar Workshop
Extruded Copper/Aluminum Busbar workshop 1
Extruded Copper/Aluminum Busbar workshop 2
Extruded Copper/Aluminum Busbar workshop 3
Flexible Busbar Workshop
Flexible Busbar workshop 1
Flexible Busbar workshop 2
Flexible Busbar workshop 3
Injection Molded Copper Busbar Workshop
Injection Molded Copper Busbar workshop 1
Injection Molded Copper Busbar workshop 2
Injection Molded Copper Busbar workshop 3
Laminated Busbar Workshop
Laminated Busbar workshop 1
Laminated Busbar workshop 2
Laminated Busbar workshop 3
Spraying Workshop
Spraying workshop 1
Spraying workshop 2
Spraying workshop 3
Stamping Workshop
Stamping workshop 1
Stamping workshop 2
Stamping workshop 3
Tooling Workshop
Tooling workshop 1
Tooling workshop 2
Tooling workshop 3
Ultrasonic Welding Workshop
Ultrasonic Welding workshop 1
Ultrasonic Welding workshop 2
Ultrasonic Welding workshop 3
Wire Harness Workshop
Wire harness Workshop 1
Wire harness Workshop 2
Wire harness Workshop 3

R&D Services & Engineering Excellence

Leveraging two decades of profound technical expertise, our company has built an outstanding R&D team of over 200 professionals. The team consists of talents from world-renowned universities and leading institutions in the industry, with core members having previously worked in top three global connector companies, ensuring our technology and vision remain globally forward-looking.

The team demonstrates exceptional competence, with over 95% holding bachelor’s degrees or higher, forming a powerful knowledge-intensive innovation engine. To translate cutting-edge ideas into exceptional products, the company has invested significantly in establishing an advanced independent laboratory equipped with more than 100 specialized precision instruments.

This lab offers comprehensive capabilities, efficiently conducting rigorous reliability validation, IP rating certifications, raw material composition analysis, high-performance electrical testing, precision dimensional measurements, and environmental tests simulating various extreme conditions. This complete in-house verification system greatly accelerates the R&D cycle and ensures high performance, reliability, and quality of every connector product from the design stage onward, providing solid hardware support for our continuous leadership in industry technological innovation.

20
Years R&D Experience
Product R&D, extensive product knowledge, materials expertise, and computational modeling.
20+
International Accreditations
IATF 16949, ISO 14001, ISO 9001, ISO/TS 22163 (IRIS), CNAS, UL, RoHS, SGS, TUV, GB.