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Precision Welding,
Proven Automation

Advanced servo ultrasonic welding and custom automation systems for high-precision plastic joining in medical, automotive, and consumer electronics.

Ultrasonic Welding Machine

Why Global Teams Choose TEC?

Timely Delivery

Standard machines in 5 days, custom lines 8–12 weeks, >95% on-time delivery.

Precision You Can Measure

0.01 mm servo depth control, force/position closed-loop for repeatability.

Free Sample Test in 48h

Send parts → receive full weld parameter window + horn/jig suggestion within 48h.

10+ Years Industry Experience

Cosmetic yield up to 98.8% on thin-wall parts (flash/whitening controlled).

Industry Solutions

Consumer Electronics

ESL / thin-wall cosmetic parts with zero flash and whitening. Ideal for wearables, smart devices, and enclosures.

Automotive Components

Interior trims, sensors, connectors, and structural parts requiring high aesthetic and sealing performance.

Medical Devices & Consumables

Sterile, leak-proof welding for syringes, filters, diagnostic devices, and fluidic components.

Wire Harness & EV Terminals

High-strength joining for battery modules, connectors, and power distribution units in electric vehicles.

Our Products

Servo Ultrasonic Welder

Servo Ultrasonic Welder

For high-precision parts with ±0.03 mm collapse control. Ideal for thin-wall, cosmetic, and high-consistency assemblies.

  • • 0.01 mm servo depth control
  • • Force/position closed-loop
  • • Eliminates flash & whitening
  • • Up to 98.8% cosmetic yield
Pneumatic Ultrasonic Welder

Pneumatic Ultrasonic Welder

Precision welding for medium-size plastic parts requiring stable cosmetic quality and repeatable sealing.

  • • Stable aesthetics at high takt
  • • Micro-collapse joints
  • • Airtac pneumatic components
  • • Fast cycle time
Large Power Ultrasonic Welder

Large Power 15kHz 4200W

Purpose-built for large and thick-wall thermoplastic parts requiring deep energy input.

  • • 4200W output power
  • • 15kHz frequency
  • • For large housings & structural covers
  • • Handles high-mass, long weld lines
Custom Automation Line

Custom Automation Lines

Turnkey solutions with ultrasonic welding, laser marking, and full automation.

  • • Fully automated loading/unloading
  • • Allen Bradley PLC & HMI
  • • SMC pneumatic components
  • • Interlock safety system
High Precision Ultrasonic Welder

High Precision Ultrasonic Welder

With soundproof enclosure for noise-sensitive environments and cleanrooms.

  • • Low noise operation
  • • Precision control
  • • Ideal for medical & lab equipment
  • • Eco-friendly work ambience

Handheld Ultrasonic Welder

Portable solution for on-site repairs, prototyping, and low-volume production.

  • • Lightweight & ergonomic
  • • Easy to operate
  • • Ideal for maintenance
  • • Quick setup

35kHz 800W Ultrasonic Welder

High-frequency system for delicate parts with fast cycle times and exquisite finish.

  • • 35kHz frequency
  • • 0.01–0.99 sec welding time
  • • Automatic frequency tracking
  • • Airtac pneumatic components

Tooling & Accessories

Custom sonotrodes (horns), fixtures, and tooling designed for optimal energy transfer.

  • • CNC-machined titanium/steel
  • • Resonance-tuned
  • • Long service life
  • • Application-specific design

About TEC

Founded in 2014 in Shenzhen, the hub of global manufacturing innovation, Shenzhen Timeast Cheng Precision Industry Co., Ltd. has evolved from a machinery manufacturer into a trusted partner for advanced assembly solutions.

We specialize in Servo Ultrasonic Welding Technology and Custom Automation Systems. Unlike standard equipment suppliers, we focus on the "difficult" challenges—helping clients in the Medical, Automotive, and Consumer Electronics sectors achieve perfect joining results for thin-walled, complex, or high-aesthetic components.

Our mission is to deliver precision, reliability, and innovation—turning complex welding challenges into repeatable, high-yield processes.

Assembly Facility Machine Testing Quality Control Packaging
10+
Years Experience
98.8%
Cosmetic Yield
48h
Sample Test
>95%
On-Time Delivery

Frequently Asked Questions

What is servo ultrasonic welding?

Servo ultrasonic welding uses closed-loop servo motors for precise control of weld depth and force, enabling ±0.01 mm accuracy and superior consistency, especially for thin-wall cosmetic parts.

Can you handle custom automation projects?

Yes. We design and build turnkey automation lines integrating ultrasonic welding, laser marking, vision inspection, and material handling for high-volume production.

Do you offer sample testing?

Yes. Send us your parts and we’ll provide a full weld parameter window, horn/jig suggestion, and test report within 48 hours—free of charge.

What industries do you serve?

We specialize in medical devices, automotive components, consumer electronics, and EV wire harnesses—any application requiring high-precision plastic joining.

Contact Us

Ready to improve your welding yield and automation efficiency? Reach out to our engineering team today.

3/F, Building 5, Huixin Intelligent Industrial Park, Xinhu, Guangming, Shenzhen, China 518107
+86-15989541416 (Sales)
+86-13066971819 (Service)
michael@sztimeast.com (Sales)
service@sztimeast.com (Support)
WhatsApp/WeChat: +86-15989541416

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