SMT Solder Paste Manufacturers.
Since 2008, JJY Tinsolder has been dedicated to delivering complete precision soldering solutions. As a trusted partner to more than 5,000 customers worldwide, we serve OEMs, EMS providers, and distributors across the globe.001
Our portfolio covers high-performance solder paste, solder wire, solder bar, flux, and SMD adhesives. Backed by advanced flux formulation technology and alloy smelting processes, we ensure seamless compatibility and stable mass production across diverse assembly scenarios in every industry.
Comprehensive, high-quality soldering solutions for every customized production need
Share your needs — optimize your soldering process
From 3C consumer electronics to automotive-grade new energy vehicles, covering the full chain of high-end manufacturing applications
Switches / 5G base stations / server motherboards / high-speed connectors.
Covers ADAS · millimeter-wave radar · BMS · domain controllers across all vehicle series.
Full coverage of TWS earbuds · MiniLED · laptops · phone modules.
Patient Monitors / Ultrasound Imaging / Surgical Robots / Wearable Medical Devices
MiniLED / MicroLED / direct-lit backlighting / high-power lighting.
PLC / Industrial Robots / Servo Drives / Inverters
Partnering with leading soldering companies worldwide to deliver professional soldering services
See how we help businesses achieve soldering excellence
On October 10, 2023, we were delighted to welcome two European customers to Shenzhen Jia Jinyuan Industrial Technology Co., Ltd. for an inspection and discussion of solder paste project cooperation. This visit provided our company with a valuable opportunity to allow customers to gain a deeper understanding of our company's scale, products, production process control, research and development
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On April 23, 2023, two Polish customers traveled a long distance to our company for an on-site visit and inspection. These two customers have been in contact with our foreign trade sales staff for quite some time. They made a special trip to fly over from Poland this time, firstly to inspect the factory conditions, and secondly to gain a deeper understanding of our products. At the foreign
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On April 19, 2023, a customer from Germany visited our company for an on-site inspection at our invitation. To provide the customer with a comprehensive understanding of JJY's development history, business philosophy, technical strength, product quality, etc., accompanied by General Manager Wang Guxin, the foreign trade specialist gave a brief introduction at the meeting. The German customer
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Our strong technical team can customize formulas to match your process needs. Solder alloys, flux activity levels, cleaning methods, and special performance properties can all be tailored. We also provide product selection advice to optimize soldering solutions and improve your first-pass yield.
Our own 5,000㎡ factory and multiple production and testing machines run under strict ISO9001 standards. Multiple inspection steps keep solder performance stable — incoming raw material checks, outgoing product checks, and melt and finished-product sampling — verifying formula compliance and eco-friendliness. All eco-friendly products pass SGS testing and comply with the RoHS Directive, the automotive ELV Directive, and REACH standards.
18 years dedicated to developing and producing solder materials, using high-purity virgin tin with a dross rate below the industry average. High compatibility and precision, fast tinning, strong and bright full joints — with no cold or false joints, peaks, or collapse. As a source manufacturer with no middleman markup, we keep costs and budgets reasonable for greater value.
We provide technical support: a solution within 24 hours and full resolution within 72 hours. Free on-site engineer service for pre-sales consultation and after-sales technical issues, and free solder replacement for quality problems. We also offer dross recycling to save your time and avoid wasted resources.
Stay updated with our latest industry news, product launches and technical insights
In 2025, the solder paste industry has entered a stage of refined development, with customers significantly raising their requirements for product consistency, stability, and traceability. As electronic manufacturing processes continue to upgrade and industry competition intensifies, enterprises need to strengthen technological R&D and quality management to meet market demand for high precision and high reliability.
Domestic halogen-free solder paste LFP?5RQ?0307 achieves nearly 100% solder wetting in QFN packages, with its high activity and alloy powder characteristics being the key factors. Optimizing printing parameters and reflow profile can further improve soldering quality.
To address the challenge of void rate control in automotive lamp welding, the LFP?5RR?305 halogen-free REACH solder paste is an ideal choice thanks to its extremely low void rate and high reliability. It is suitable for precision welding in high-heat scenarios, effectively improving product yield and stability.
Tell us about your production conditions, and JJY Tinsolder will match you with the right soldering solution.
