About us

Precision Gear Manufacturer for Custom Applications

Custom gear design & in-house manufacturing — from concept to finished component.

Shenzhen Yongchengxin Precision Gear Co., Ltd. is a precision gear manufacturer with 14 years of experience in gear production and custom manufacturing. We specialize in custom gears and transmission components, working with customers to develop reliable solutions for their specific applications. Our engineering team can assist with gear design, technical requirements, and production, from initial concept to finished components.

Our product range includes spur gears, helical gears, timing pulleys, racks and pinions, worm gears, sprockets, and other custom transmission components — designed to deliver accurate power and torque transmission for demanding mechanical applications.

Shenzhen Yongchengxin Precision Gear factory building

Shenzhen Yongchengxin Precision Gear Co., Ltd. factory

14+

Years Experience

3–6

Machining Axes

±0.02mm

Standard Tolerance

12h

Quote Response

Manufacturing CapabilitiesTwo integrated processes under one roof

CNC Turning

CNC Turning Processing

CNC Turning & Milling

Our CNC turning and milling services can produce highly accurate and complex parts from a variety of materials, including metals, plastics, and composites — for both prototype and volume runs.

Samples7 days (excl. shipping)
Lead time20–25 days (excl. shipping)
Machinery Axis3, 4, 5, 6
Tolerance±0.02 mm

Gear Hobbing

CNC Gear Hobbing Machining

Spur · Helical · Bevel · Worm · Rack & Pinion

Our CNC gear hobbing covers a wide range of tooth geometries — spur, helical, bevel, spiral bevel, duplex, rack & pinion, worm gears, and special-shaped gears — built for accurate transmission and consistent quality.

Samples7 days (excl. shipping)
Lead time20–25 days (excl. shipping)
Modulus0.3M – 3M
Tolerance±0.02 mm
SurfaceRa 2.6 – 3.2

Factory & EquipmentA glimpse of our in-house production floor

CNC lathe workshop

Production floor

Gear machining close-up

Our ProcessSeven steps from inquiry to delivery

Consultation

Tell us your requirements, drawings, and application.

Drawing Review

Our engineers assess feasibility and advise on design.

Quotation

We provide a clear quote with lead time and process plan.

Sample Making

First-off samples are produced and inspected in-house.

Sample Approval

Adjustments made until the sample meets your spec.

Mass Production

Volume production with consistent quality control.

After-sales

We follow up on delivery and support future orders.

Why Partner With UsThree reasons customers stay with us

Direct Factory Communication

You talk to us directly — no middlemen. Shorter response times, clearer technical discussions, and faster answers to engineering changes.

Full Quality Control

Complete set of inspection equipment on-site, with quality checkpoints built into every step from raw material to finished gear.

Reliable Lead Times

Sufficient in-house production capacity to keep delivery fast and stable — for prototypes, repeat orders, and high-volume runs.

Get in Touch

Tell us what you need — we'll respond within 12 hours.