Ultrasonic Welding · Hot Melt Welding · Automated Assembly
Over a decade focused on plastic welding and ultrasonic application equipment, serving automotive, medical, electronics and packaging industries.
Featured Machines
Real factory photos of our core welding machines
Servo Ultrasonic Plastic Welding Machine
Servo-controlled for higher welding precision
伺服超声波塑料焊接机
Ultrasonic Plastic Welding Machine
Strong welds, ideal for mass production
超声波塑胶焊接机
Servo Hot Riveting Plastic Welding Machine
Servo hot riveting, clean and strong joints
伺服热铆塑料焊接机
Plastic Hot Melt Welding Machine
Precise temperature control, strong welds
塑料热熔焊接机
Welding, Done Right
A Decade in Welding
Focused on welding and ultrasonic equipment — deep process know-how.
114-Product Lineup
Ultrasonic, hot melt, high frequency and metal welding — full coverage.
Custom-Built Machines
Machines tailored to your product, including automated lines.
After-Sales Support
One-on-one engineer support with timely spare parts.
Categories
Four product lines covering all plastic welding processes
Plastic Welding Equipment
Ultrasonic Welding / Hot Melt Welding / High Frequency Welding / Ultrasonic Cutting Equipment / Ultrasonic Probe
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Ultrasonic Spray Atomization Equipment
Blood Collection Tube Spray Coating / Cardiac Stent Spray Coating / Ultrasonic Cleaning Machine
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Metal Welding Equipment
Ultrasonic Metal Welding / High Frequency Metal Welding
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Automotive Parts Testing & Assembly Equipment
→Hot Products
Our most inquired models
Handheld Ultrasonic Spot Welder
Characteristic手持式超声波点焊机
Economical 40kHz Handheld Ultrasonic Spot Welder
40KHZ经济型手持式超音波点焊机
Intake Manifold Automatic Induction Inserting Equipment
T In 8, time: 40 seconds进气歧管自动诱导嵌入设备
Automatic Bushing Inserting Equipment
衬套自动埋植设备
Intake Manifold Assembly Line
进气歧管组装生产线
20kHz Ultrasonic Plastic Welding Machine
20K超声波塑胶焊接机
Pinion Shaft Testing & Inspection Equipment
小轮轴调试及检查设备
Economical 3200W Ultrasonic Welding Machine
3200W经济型超声波焊接机Industries We Serve
Automotive
Welding and assembly for bumpers, filters, lamps and more
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Medical Devices
Precision coating and clean welding for tubes and stents
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Electronics
Metal welding for wire harnesses and battery parts
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Packaging
Efficient solutions for plastic packaging and cutting
View More →About Us
Shanghai Jingjin Precision Machinery Co., Ltd. is located in Jiading, Shanghai, specializing in the R&D and manufacturing of plastic welding and metal welding equipment. Our experienced team of mechanical, electrical and mold engineers keep
Four Steps to the Right Machine
Talk Needs
Tell us your product and welding requirements
Proposal & Samples
Engineered proposal with free sample welding
Confirm & Build
Production starts after sample approval
Deliver & Support
On-site installation with long-term support
Application Cases
Latest News
Welding technology insights and industry updates
Servo Ultrasonic Welding Machine Buying Guide: Balancing Precision, Stability and Cost
A servo ultrasonic welding machine (also called an ultrasonic servo welder) is a type of u
2026-09-28Ultrasonic Wire Harness Welders in EV High-Voltage Harness Applications
An ultrasonic wire harness welder is specialized equipment that uses high-frequency mechan
2026-09-28Key Points of Ultrasonic Tab Welding for Power Batteries
Power battery tab ultrasonic welding is the process of joining the multi-layer metal foils
2026-09-28Servo Hot Melt Machines vs Servo Hot Plate Welders: Principles, Differences and Selection
Servo hot melt machines and servo hot plate welders are both thermoplastic welding machine
2026-09-28Hot Riveting Welders in Automotive Plastic Part Assembly
A hot riveting welder is assembly equipment that heats plastic studs with a heated rivetin
2026-09-28How to Choose an Ultrasonic Welder Manufacturer in Shanghai: Practical Advice for Buyers
A Shanghai ultrasonic welder manufacturer means a company based in Shanghai that develops,