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Manufacturer of high-performance gearboxes, precision gears, and custom CNC-machined components. Trusted by global partners for reliability, innovation, and engineering excellence.
Manufacturing Excellence
Global Partnerships
Custom Solutions Delivered
Dedicated Service Team
Since 1997, WhachineBrotherS Ltd. has been a leading manufacturer in customized machining and precision gear systems. Based in Wenling City, Zhejiang Province, China, we specialize in engineering design, custom fabrication, and high-tolerance CNC machining for industrial applications worldwide.
Our mission is to deliver reliable, innovative, and cost-effective mechanical solutions through advanced manufacturing technologies and strategic partnerships. With decades of experience, we serve industries ranging from automation and robotics to renewable energy and heavy machinery.
Trusted by Global Leaders
From concept to production, we offer comprehensive engineering and manufacturing services tailored to your mechanical needs.
Tailored gearbox solutions including T-series and planetary designs for specific torque, speed, and space requirements.
Full-cycle engineering support from CAD modeling to FEA analysis and prototype validation.
High-precision CNC turning, milling, and grinding for complex metal and plastic components.
Sheet metal fabrication, welding, and assembly for complete mechanical subsystems.
End-to-end sourcing and supply chain management for OEMs and system integrators.
Efficient speed reduction systems with high torque transmission and low backlash.
Precision-engineered gears and gearboxes designed for durability, efficiency, and performance in demanding environments.
High-efficiency power transmission at right angles. Ideal for automotive, aerospace, and industrial machinery.
Parallel shaft transmission with high load capacity and efficiency. Available in metric and imperial standards.
Smooth, quiet operation with higher load capacity than spur gears. Used in high-speed applications.
High reduction ratios in compact designs. Self-locking feature ideal for lifting and positioning systems.
Internal gears used in planetary systems, rotary tables, and heavy-duty machinery.
High torque density, compact design, and excellent efficiency. Ideal for robotics and automation.
Right-angle bevel gearbox for industrial conveyors, mixers, and processing equipment.
Precision components for prototypes and production runs. Materials include aluminum, steel, brass, and plastics.
We produce a wide range including spur gears, helical gears, bevel gears (spiral and straight), worm gears, ring gears, and rack and pinion systems.
Yes, we specialize in customized gearbox solutions including T-series and planetary gearboxes tailored to specific torque, speed, and mounting requirements.
We machine alloy steels, stainless steels, aluminum, brass, bronze, and engineering plastics depending on application needs.
Yes, we provide rapid prototyping with CNC machining and 3D modeling support to validate designs before full production.
Typical lead times range from 2-6 weeks depending on complexity and order volume. Rush services are available upon request.
Have a project or need technical support? Reach out to our engineering team today.