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Company Profile

Founded in 2008, JJY Tinsolder is a professional manufacturer, supplier, and solution provider of solder materials. With our production, R&D, and marketing teams based in Shenzhen, China, we have spent over 18 years studying solder formulations and performance, fully capable of delivering technical support and solder products tailored to customer needs for clients worldwide.

JJY Tinsolder operates a 5,000-square-meter facility equipped with 96 production and testing machines, certified under and strictly following the ISO9001/ISO14001 systems. Our 21 inspection procedures ensure consistent, compliant solder performance — from incoming raw materials through production to outgoing product checks for quality and environmental compliance. All eco-friendly products pass SGS testing and meet international environmental limits such as RoHS, halogen-free, REACH (SVHC), PAHs, and Phthalates standards.

Main Products

Solder Paste

Suitable for reflow soldering and syringe dispensing, compliant with RoHS international standards

General-purpose lead-free solder paste (305 standard series)
Low-void solder paste for QFN packages
Halogen-free high-temperature and automotive-grade solder paste
Classic leaded Sn63Pb37 solder paste

Full, strong solder joints; stable printing without edge collapse; low residue with no-clean option; excellent wetting performance

Solder Wire

Designed for fully automatic soldering machines and manual iron rework, with uniform rosin core and low fume

Standard lead-free solder wire Sn99.3Cu0.7
Eco-friendly solder wire with 0.3/3.0 silver content
No-clean, halogen-free solder wire
Low-temperature and leaded solder wire

Fast wetting without spattering, low dross and minimal loss, bright joints without bridging; wire diameter customizable on request

Solder Bar

Designed for wave and dip soldering, made from virgin high-purity tin with oxidation-resistant formulation for lower dross rates

SAC lead-free eco-friendly solder bar
High-temperature solder bar with silver content
Oxidation-resistant low-dross solder bar
Standard leaded solder bar

Fast melting with excellent fluidity, oxidation resistance reduces dross, void-free and reliable joints, with dross recycling service available

Core Advantages

High-Performance Solder

QFN ultra-wetting and low void rate; military-grade alloy (Sn62Pb36Ag2); dedicated solutions for LED/Mini-LED applications.

Quality Assurance

ISO9001/14001 quality system certification, SPECTRO spectrometer testing, batch-to-batch deviation ≤0.5%.

Cost Advantage

Factory-direct pricing and a 30% lower defect rate create significant value for our customers.

Global Compliance

Compliant with international regulations and certifications such as RoHS and REACH.

Fast Response

A team of 20+ professional engineers offering one-stop services including free samples, failure analysis, and process optimization.

Tailored Solutions

Custom formulations based on your process requirements — solder alloy, flux activity level, and cleaning method are all customizable.

Company Strength

Strict Quality Control

We operate a modern 5,000㎡ facility equipped with 45+ specialized production machines (solder paste emulsifiers, grinding mixers, and wire drawing systems), along with advanced testing instruments such as SPECTRO spectrometers and atomic absorption spectrometers.

From raw material intake to finished product delivery, every process undergoes strict inspection to ensure stable and reliable product quality.

ISO

ISO9001/14001 Certification

45+

Production Equipment

5000+

Global Customers

Development History

2008

Company Founded

JJY Tinsolder was founded, focusing on the R&D and production of SMT solder materials.

2012

ISO9001 Certified

Successfully passed ISO9001 quality management system certification, taking quality management to a new level.

2016

Halogen-Free Solder Paste Launched

Successfully developed a halogen-free, lead-free solder paste series to meet environmental regulations.

2020

RoHS Certified

Compliant with RoHS environmental standards and hazardous substance controls, suitable for a wide range of electronics manufacturing and export needs.

2026

Serving 5,000+ Customers Worldwide

Deeply rooted in the soldering materials field, serving both domestic and overseas markets, and recognized as one of China's top ten soldering materials brands.