80% of Designs.
Faster sampling. Lower cost.
Reliable Brass Handles Manufacturing Partner
No Tooling Needed
Why Projects Choose Tongniu
0.03–0.05mm precision vs inconsistent tolerance
Stable fit from sample to mass production
CNC machining vs manual adjustments
Consistent dimensions, fewer installation problems
No tooling vs Traditional molding
Inside Our Factory
CNC machining with multi-axis equipment, ensuring precise control and stable quality from sample to mass production.
Our workshop is equipped with multi-axis CNC machines and automated production lines to ensure consistent dimensions and repeatability.
Instead of relying heavily on molds, we use machining-based processes to maintain tighter tolerances and reduce variation across batches.
This allows us to support projects that require stable quality, precise fit, and reliable production outcomes.
How We work
② Sampling / Solution
We define the best production approach
CNC-first, with tooling only where needed.
③ Production
Controlled machining for consistency
Stable dimensions across batches.
① Inquiry
Reliable Brass Handles Manufacturer
Tell us your requirements — we deliver precise, reliable solutions.
Get in Touch
Tell us your project — we’ll match the right handle solution.
+8619820335653
sherry@wasunopto.com
Fastest reply, click to chat
We usually reply within 12–24 hours (WhatsApp is faster).
No tooling. Low MOQ. Fast sampling.
Stable quality from sample to production.