01
Wire / hand soldering & automation
Solder wire
Lead-free and leaded wires in 0.3–3.0 mm diameters, with customized flux content and spool sizes for repeatable joints.
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0.3–3.0 mm · SnPb / SnCu / SACSolder materials / Shanghai, China
Reliable joints start with the right alloy.
Solder wire, bars and paste for PCB assembly, automotive electronics, appliances and repair. Choose the alloy, flux and packaging around your process.
10+Years manufacturing
10 kgStandard MOQ
1 daySample dispatch
SnCu0.7Lead-free alloy
0.3–2.0 mmCustom diameters
Solder wire / production range
Lead-free & leaded alloys
Flux content customization
OEM packages and labels
Export documentation
Product families
Three formats. One material standard.
Match the solder format to your joint, equipment and production volume. Every product family can be reviewed by alloy, melting range and packaging.
0.3–3.0 mm · SnPb / SnCu / SAC02
Bars / wave soldering & tinning
Solder bars
Low-oxidation bars for wave soldering, bath maintenance and tinning. Choose common SAC, tin-copper or tin-lead compositions.
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SnCu0.7 · SAC305 · Sn63Pb3703
Paste / SMT & reflow
Solder paste
Low-, medium- and high-temperature pastes with controlled powder size for consistent deposition and reflow.
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138–217°C · 20–45 μm powderApplications
Built around the process, not a shelf category.
The right solder balances alloy, melting point, flux activity, cleaning requirements and production speed. Start with the application.
Discuss your applicationPCB & SMT assembly
Wire, paste and bar formats for reflow, wave soldering and rework.
Power electronics
Alloy and flux selection for thermal cycling, connectors and high-reliability joints.
Appliance & automotive
Production-ready materials for control boards, wiring and electrical assemblies.
Repair & field service
Practical wire and paste options with clear alloy labeling for technicians.
Alloy guide
Start with melting range and compliance.
Common production alloys are shown below. Final selection depends on board finish, component limits, cleaning process and required joint properties.
| Alloy | Melting point | Typical format | Use direction | Lead status |
|---|---|---|---|---|
| Sn99.3Cu0.7 | 227°C | Wire, bar | General electronics and cost-conscious lead-free assembly | Lead-free |
| Sn99Ag0.3Cu0.7 | 221°C | Wire, bar, paste | Balanced wetting and thermal performance | Lead-free |
| Sn96.5Ag3.0Cu0.5 | 217°C | Wire, bar, paste | High-reliability electronics and demanding thermal cycles | Lead-free |
| Sn63Pb37 | 183°C | Wire, bar, paste | Precision work where leaded alloy is permitted | Leaded |
| Sn60Pb40 | 183–190°C | Wire, bar | General electronics and repair | Leaded |
| Sn99.95 | 232°C | Bar | Plating, tinning and solder bath adjustment | Pure tin |
Specifications are supplied for discussion and must be confirmed against the approved product data sheet before production.
Shanghai production baseMaterial review → sample → export
Process & quality
A shorter path from sample to shipment.
Define the process
Share your application, equipment, alloy target, joint requirements and annual volume.
Confirm material and packaging
Align alloy, flux, diameter, spool or bar size, labels and documentation.
Approve a sample
Evaluate wetting, residue, appearance and compatibility with your process.
Produce and dispatch
Confirm the approved specification before the production run and export packing.
Technical resources
Information buyers and engineers both need.
Replace scattered links and broken downloads with a structured technical library as the approved documents become available.
Guide / 01
Alloy selection guide
Compare melting points and common applications before requesting a sample.
Guide / 02Lead-free vs leaded
Compare melting, process compatibility and where each alloy direction fits.
Export / 03Southeast Asia supply
Review sample, packaging and export requirements for buyers across the region.
RFQ / sample request
Tell us what your process needs to achieve.
Send the product format, alloy or operating temperature, estimated quantity and destination country. We will come back with the next practical step.
Start your inquiry