Spring Welding | Premium Brazing, Soldering & Welding Consumables

About SPRING

Spring (Hangzhou) Welding Material Co., Ltd is a leading Chinese manufacturer specializing in high-performance consumables for brazing, soldering, and welding technologies. With a strong commitment to innovation and quality, SPRING delivers reliable solutions trusted by industries worldwide.

Our product range includes silver-based brazing alloys, copper phosphorous alloys, aluminum brazing materials, soft solders, fluxes, and specialized welding wires for stainless steel, copper, and low-alloyed steels.

Cadmium-free and eco-friendly formulations

Precision-engineered for industrial reliability

Global distribution with multilingual support

15+

Our Products

High-quality brazing, soldering, and welding consumables designed for diverse industrial applications.

Silver Based Alloys (Cadmium Bearing)

General purpose brazing alloys based on silver and containing cadmium for enhanced flow and strength.

Silver Based Alloys (Cadmium Free)

Eco-friendly general-purpose brazing alloys based on silver, ideal for sensitive environments.

Silver Based Alloys – Special Applications

Formulated with specific elements for high-performance brazing in demanding conditions.

Silver Based Alloys – Trimetals

Dual-layer silver alloy clad on copper core, ideal for brazing carbides to steel.

Copper Phosphorous Alloys

High-strength brazing alloys with phosphorous content for excellent capillary action.

Brass & High Temp Copper Alloys

Wide range of high-temperature brazing alloys suitable for heavy-duty applications.

Aluminium & Zinc-Aluminium Alloys

Lightweight brazing solutions based on aluminum and zinc-aluminum for HVAC and automotive.

Brazing Powders and Pastes

High-temp brazing pastes and powders for precision joints and automated processes.

Soft Solders

Tin-based alloys for soft-soldering in electronics, plumbing, and sheet metal work.

Soft Solders for Al-Cu Together

Specialized alloys for joining aluminum and copper components in refrigeration systems.

Fluxes

High-performance fluxes to ensure clean, oxide-free joints in brazing and soldering.

Welding Wires

Aluminum, magnesium, stainless steel, and low-alloyed steel welding wires for MIG/TIG.

Why Choose SPRING?

Premium Quality

Rigorous quality control ensures consistent performance and reliability across all batches.

Wide Range

Comprehensive portfolio covering brazing, soldering, and welding needs for diverse industries.

Global Support

Multilingual team and international distribution network for fast, reliable service.

Key Applications

Our products are trusted in critical industrial and commercial sectors.

Carbide & Diamond Tipped Tools

Industrial & Home Refrigerators

HVAC & Air Conditioning

Measurement & Regulating Devices

Electromechanical Construction

Solar Panels

Radiators & Towel Warmers

Tubular Constructions

Lamps & Lighting Fixtures

Silverware & Jewellery

Glasses & Spectacle Frames

Frequently Asked Questions

What are the advantages of cadmium-free silver brazing alloys?

Cadmium-free alloys offer similar performance without the health and environmental risks, making them ideal for food, medical, and HVAC applications.

Can SPRING products be used for aluminum-to-copper joints?

Yes, we offer specialized soft solders specifically formulated for joining aluminum and copper in refrigeration and heat exchanger systems.

Do you provide technical support?

Yes, our technical team offers guidance on product selection, application methods, and troubleshooting.

Are your brazing pastes suitable for automated processes?

Absolutely. Our brazing powders and pastes are designed for consistent performance in automated and high-volume production lines.

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SPRING – Global Leader in
Brazing, Soldering & Welding Technologies

About SPRING