Products Description

In demanding industrial electrical systems, every contact is a critical node for current and signal transmission. Choosing high-performance, stable, and reliable contacts is important for the long-term safety and stability of equipment. Our Cold Headed Electrical Contacts, developed specifically for high-end applications such as industrial connectors, circuit breakers, relays, and power tools, integrate material technology and advanced manufacturing processes to provide professional customers around the world with connectivity solutions that exceed expectations.

Material and process advantages

We have extensive R&D expertise in silver-based composite contact materials. From AgNi, AgSnO₂, AgZnO, AgCdO, to combinations of pure silver and copper alloys, we can customize material formulations based on the customer's current levels and operating conditions. All raw materials are directly sourced from renowned domestic and international alloy manufacturers, guaranteeing metal purity and alloy uniformity.

During the cold heading manufacturing process, we utilize multi-step control, from wire straightening, shearing, pre-heading, forming, calibration, to post-processing (such as deburring, polishing, and annealing), to ensure that each bimetallic contact-breaker exhibits high density, strength, and low resistance. Precision molds are designed and manufactured by our in-house mold development team, enabling rapid mold changeovers and shortening sample production and batch delivery times.

Silver Alloy Raw Material for Cold Headed Electrical Contacts

Production Advantages: From Materials to Forming, Every Step Enhances Reliability

We understand that the stability of Bimetalic Rivets stems from meticulous manufacturing control. Therefore, during the production of cold-forged electrical Bimetal Rivet For Relays, we control material quality from the source and meticulously refine the process to ensure consistent, reliable electrical conduction in every batch.

Cold Forging Process Improves Density and Batch Stability
Multi-station cold forging equipment completes key steps-shearing, upsetting, forming, and shaping-in a single process, eliminating the waste and stress defects associated with cutting.

The mold, developed by our in-house design team and made of high-hardness tungsten carbide, combines precision machining to achieve both improved forming accuracy and mold life.

The cold forging process eliminates metallurgical cross-sectional defects, resulting in a dense, crack-resistant Silver Electrical Contact structure, making it particularly suitable for high-current, high-frequency applications.

Multiple inspection and processing steps ensure every finished product is fit for purpose.
Finished products undergo multiple quality control processes, including full dimensional inspection, random resistance inspection, and surface defect detection (scratches, burrs, and cracks).

Additional processing steps such as annealing, cleaning, and electroplating can be added upon customer request to enhance weldability and corrosion resistance.

All qualified products pass through an automated screening system before packaging to prevent mixed materials or defective parts from entering the end product.

Supporting Efficient Delivery and Flexible Production
With an annual production capacity exceeding 500 million units, we have the flexibility to handle multiple batches, small or large orders.

Quickly respond to customer prototyping requests, completing mold design, sample molding, and preliminary testing within 7 days.

A comprehensive domestic and international logistics chain ensures stable and reliable delivery, meeting the needs of export customers.

Cold Headed Electrical Contacts Processing Flow Chart

Application Value: Integrated Contact Solutions Empower Diverse End Devices

New Energy Vehicle Systems: An Ideal Choice for High-Voltage DC Controllers	They serve as conductive switching elements in main relays and high-voltage contactors, capable of withstanding the shock of high-voltage DC switching. The cold-forged contacts mate seamlessly with the electrodes, ensuring reliable, instantaneous high-voltage switching and low heat generation. They can be customized with silver-copper composite structures to extend Noble Metals Contact life and reduce maintenance.
Energy Storage Systems and Charging Facilities: Meeting the demands of high-frequency switching and long life	They are used for quick disconnection/closing in energy storage cabinets, BMS management systems, and battery disconnect units. The compact Open Contactor Silver Contact structure makes them suitable for space-constrained applications within modular battery packs. The thickness and diameter can be customized based on the customer's current level to optimize system heat dissipation and conductivity.
Industrial Control Equipment: Core Electrical Connectors for Reliable Operation	Used in internal Breakers Silver Contact components such as high-frequency relays, microswitches, and PLC control modules; Excellent resistance to welding and mechanical fatigue, suitable for long-term, frequent operation; Supports high and low current environments, wide compatibility, and stable performance.
High-End Home Appliances and Consumer Electronics: Ensuring Safety and Contact Life	Suitable for air conditioner compressor relays, water heater controllers, switch and socket contacts, etc. Effectively prevents poor Custom Electrical Contact and equipment failure caused by arc erosion. Anti-oxidation treatment is available for the product surface, enhancing durability and consumer safety.
Power Grid Equipment and Rail Transit Control: Suitable for high-reliability critical devices	Used in high-voltage circuit breakers, transmission protection units, and subway rail transit controllers; Silver Contacts in Breakers can handle high temperatures well. They are less likely to become loose. This helps power grid systems work safely for a long time. Long service life reduces maintenance intervals and lowers operation and maintenance costs.