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CNC Machining · Precision Parts Manufacturing

Delivering every
critical component with micron-level precision

Qinglan Technology has deep expertise in precision metal machining, covering CNC machining, CNC turning, custom parts and sheet metal bending. We provide one-stop manufacturing from drawing to mass production for industries such as semiconductors, medical devices and automation equipment.

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0.005mmRepeat positioning accuracy
10+Years of machining experience
120+CNC machines
CNC precision-machined part
✓
Full traceabilityFirst-article inspection · In-process checks
★
ISO 9001Quality management system
Semiconductor equipmentMedical devicesNew energyAutomation linesPrecision instrumentsAerospace
Precision turned part
98.6%First-pass acceptance rate
About Qinglan

Stable processes that
support our customers' core products

We are a factory-based enterprise focused on precision metal parts manufacturing. Our team collaborates throughout design review, process planning, machining and inspection, helping customers make complex structural parts production-ready, repeatable and traceable.

  • ▣Multi-axis CNC machining centers
  • ⊚Precision turning on Swiss-type lathes
  • ◈Custom development of non-standard structural parts
  • ▤Sheet metal bending and surface treatment
Learn About Us →
10+Years of precision machining expertise
120 unitsCNC machining equipment
600+Customers served
±0.005mm dimensional tolerance
Core Strengths

Three pillars that underpin the certainty of precision manufacturing

Equipment, process and quality work as one, minimizing uncertainty at every machining stage.

01 / EQUIPMENT
⚙

Advanced Equipment

Multi-axis machining centers, Swiss-type lathes and automated lines work in concert, supporting complex surfaces, thin-walled parts and high-cadence volume production while staying stable and consistent over long runs.

02 / PROCESS
◬

Process Expertise

Our experienced process team provides DFM (design-for-manufacturability) reviews and tailored machining solutions. From material selection to toolpath optimization, we help customers find the optimal balance between precision and cost.

03 / QUALITY
✦

Rigorous Quality

CMM measurement, optical comparators and full-dimension inspection span from first article to finished part. Combined with in-process checks and batch traceability, we ensure every part delivered meets the drawing requirements.

Products

Four machining services covering every precision-parts scenario

From CNC milling and precision turning to custom parts and sheet metal forming, we meet structural-part machining needs in one place.

CNC MachiningCNC machining

CNC Machining ↗

Three- to five-axis machining centers for precision milling of complex surfaces and high-density hole patterns on valve blocks, fixtures, module structural parts and more.

Aluminum alloyStainless steelMulti-hole precision milling
Precision TurningCNC turning

CNC Turning ↗

CNC lathes and Swiss-type machines for rotational, shaft and plate parts, ensuring concentricity and surface finish consistency across volume production.

Rotational partsShaft partsHigh surface finish
Custom PartsCustom parts

Custom Parts ↗

For non-standard structural parts such as brackets and connectors, we offer a complete custom development flow from drawing review and prototype validation to small-batch production.

Structural bracketsConnectorsPrototype validation
Sheet Metal FormingSheet metal bending

Sheet Metal Bending ↗

Integrated laser cutting, CNC bending and welding assembly for enclosure panels, covers and equipment structural sheet metal parts.

Laser cuttingCNC bendingPanels & covers
Capabilities

A five-step standard process from drawing to mass production

Every step has defined inputs, outputs and inspection checkpoints, making the delivery process clear and controllable.

STEP 01

Drawing Review

DFM manufacturability analysis to confirm tolerances, materials and process feasibility.

STEP 02

Process Planning

Define the machining route, fixtures and tooling, and program the machining sequence.

STEP 03

Precision Machining

CNC equipment machines per program, with in-process checks keeping dimensions stable.

STEP 04

Inspection & Traceability

Full-dimension CMM inspection with batch data recorded for end-to-end traceability.

STEP 05

Finishing & Delivery

Surface treatment, cleaning and packaging, delivered on schedule with inspection reports.

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News

The latest from Qinglan

All News →
2026 · 05 · 18

New five-axis machining center upgrades our complex-surface delivery capability

The new-generation five-axis equipment further shortens machining cycles and reduces the number of setups for complex structural parts.
2026 · 04 · 02

How to approach the manufacturability review of custom parts

From a process perspective, we break down common design pitfalls in custom parts to help customers avoid rework before prototyping.
2026 · 02 · 26

Sheet metal bending accuracy: from unfolding to springback compensation

We share the key parameters in the sheet-metal bending process and approaches to common accuracy issues.

With a drawing, you can start quoting

Send us your part drawing or requirements, and our engineering team will provide a manufacturability assessment and preliminary quote within 24 hours.

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