High precision machining
±0.005 mm
Shaft journals ground to IT6 with Ra 0.4, hole positions held within 0.015 mm on machining centers.
Production type machining factory
Non-standard precision parts, machined from your drawing
Drawing-based non-standard parts, small batch and volume production. CNC turning, milling, grinding, gear cutting and wire EDM are all completed in house, serving glass, woodworking, medical, mask and pipe bending machinery builders.
- Tolerance capability
- ±0.005 mm, IT6 on ground journals
- Sample lead time
- 4 - 10 working days
- Drawing formats
- STEP / IGES / DWG / DXF / PDF
Core advantages
Three things machinery builders check before sending a drawing
Precision, drawing-based flexibility and delivery reliability, each backed by measurable data from the shop floor.
Drawing-based custom parts
STEP / DWG / PDF
Send a drawing or a sample. Process route, material and tolerance are confirmed before quotation.
Stable lead time
7 - 15 days
Samples in 4-10 working days, batches in 8-15 days, with weekly progress updates on request.
0 m²
Factory floor area
0 sets
CNC and finishing equipment
0 pcs
Monthly output capacity
0-15 days
Standard lead time
Quality assurance
About the factoryCertifications and inspection records
System certification, material traceability and calibrated measuring instruments behind every delivery.
Customers
Machinery builders we supply
Long term parts suppliers to equipment manufacturers across five industries.
GMGlass Machinery OEMGlass Machinery
WMWoodworking Equipment MakerWoodworking Machinery
MDMedical Device BuilderMedical Equipment
AMMask Line IntegratorMask Machine
PBPipe Bender ManufacturerPipe Bending Machine
AUAutomation System IntegratorGeneral Automation
RDReducer and Gearbox MakerGeneral Automation
PMPackaging Machinery BuilderGeneral Automation
GMGlass Machinery OEMGlass Machinery
WMWoodworking Equipment MakerWoodworking Machinery
MDMedical Device BuilderMedical Equipment
AMMask Line IntegratorMask Machine
PBPipe Bender ManufacturerPipe Bending Machine
AUAutomation System IntegratorGeneral Automation
RDReducer and Gearbox MakerGeneral Automation
PMPackaging Machinery BuilderGeneral Automation
Product categories
All productsMachined parts by category
Eleven part families produced regularly. Each category lists tolerance range, common materials and surface treatment options.
Machining capability
Equipment and precision, listed as data
42 sets of CNC lathes, machining centers, grinders, gear hobbing machines and wire EDM units. Tolerance and roughness values below are measured results, not marketing figures.
| Process | Tolerance | Roughness |
|---|---|---|
| CNC turning | Ø IT6 - IT7, ±0.005 mm stable | Ra 0.8 - 1.6 |
| CNC milling | IT7 - IT8, hole position ±0.015 mm | Ra 1.6 - 3.2 |
| Cylindrical grinding | Ø IT5 - IT6, ±0.003 mm | Ra 0.2 - 0.4 |
| Surface grinding | ±0.005 mm | Ra 0.2 - 0.4 |
| Gear cutting | GB/T 10095 grade 7 - 8 | Ra 1.6 on tooth flank |
Custom process
Full process and FAQFrom drawing to delivery in eight steps
A fixed process keeps quotation, sampling and batch production predictable.
- 1Drawing or sample receivedSend drawings in STEP, IGES, DWG, DXF or PDF, or ship a physical sample for reverse measurement.Same day
- 2Process review and feasibility feedbackEngineers check tolerance, material, heat treatment and machining route, then point out any unworkable feature.1 - 2 days
- 3Quotation confirmedQuote includes material, machining, heat treatment, surface treatment, inspection and packing cost.1 - 3 days
- 4Sample and first article inspectionFirst pieces are machined, measured and reported. Production starts after the sample is approved.4 - 10 days
- 5Batch machiningTurning, milling, grinding, gear cutting and heat treatment are scheduled across the shop.8 - 25 days
- 6Full or sampled inspectionBatch orders are sampled at 10 percent, with full inspection available on request.1 - 2 days
- 7Packing and deliveryParts are oiled, wrapped in anti-rust paper and packed in cartons or wooden cases.1 - 2 days
- 8After-sales follow-upAssembly feedback is collected, and dimensional adjustments are made on the next batch if needed.Ongoing
Case studies
All case studiesRecently delivered machining projects
Parts already running on customer machines, with material, tolerance and lead time recorded.
News and technology
All articlesMachining knowledge from the shop floor
Process notes, material selection guidance and factory updates.
Send your drawing
Get a quotation with process route and lead time
Upload STEP, IGES, DWG, DXF or PDF files. Engineers review tolerance, material and heat treatment before quoting.
- +86 189 3436 9363
- sales@keytrond.com
- No. 00, Precision Industrial Park, Ningbo, Zhejiang, China