机加工件表面处理怎么选：阳极氧化、钝化与粉末喷涂
三种主流表面处理的适用基材、膜厚、遮蔽要求与成本触发点，以及图纸上该怎么标注，一次讲清。
CNC 铣削
三轴与四轴立式加工中心，适用于壳体、板件、支架与工装夹具。最大工件尺寸 1,200 × 600 × 500 mm。
Trusted by
2010Established
About JOYBUY
Precision Parts Manufacturer Based in China
JOYBUY runs an ISO-certified machining workshop of 8,000 m² with 70+ CNC machines and an in-house metrology lab. We serve industrial OEM customers in automotive, aerospace, medical, electronics and robotics — from a single prototype to serial production with PPAP-level documentation.
- One-stop: machining, sheet metal, finishing & assembly
- Dedicated project engineer for every order — English / German / Chinese
- NDA signed before we open your drawings
15+
Years of experience
2,000+
Customers served
30+
Countries shipped
2.5M+
Parts manufactured
Manufacturing Capabilities
One-Stop Custom Manufacturing Solution
Six core processes under one roof, so your parts move between operations without shipping, re-quoting or losing tolerance accountability.
Materials
Materials We Machine Every Day
Certified mill stock with full traceability. Tell us the application and we will recommend the grade that balances strength, machinability and cost.
Industries We Serve
Engineered for Demanding Applications
We understand the documentation, traceability and tolerance expectations of regulated industries — and we build them into every production run.
Surface Finishing
20+ Finishes to Match Your Spec
From bare machined surfaces to mirror polishing and colour anodizing — we quote the finish together with the part, so there is no second supplier to chase.
- As-Machined
- Bead Blasting
- Anodizing (Type II / III)
- Polishing
- Powder Coating
- Brushing
- Electroplating
- Passivation
- Heat Treating
- Electropolishing
- Chromating
- Sandblasting
- Tumbling
- Laser Engraving
- Black Oxide
- Zinc Plating
100% Inspection
First-article, in-process and final CMM reports shipped with every batch.
Fast Turnaround
Prototypes in 3 days; repeat orders scheduled to your kanban.
7×24 Engineering Support
A named engineer answers within hours — no ticket ping-pong.
Cost Transparency
Itemised quotes split material, machining, finish and freight.
How To Work With Us
Four Steps from Drawing to Delivery
01
Send Us Your Design
Upload 2D / 3D files with tolerance and finish requirements. NDA on request.
02
Quote & DFM Analysis
Within 12 working hours you get an itemised quote plus manufacturability feedback.
03
Order Confirmed
Sample approval, then production with in-process inspection and photo updates.
04
Get Your Parts
DHL / FedEx / sea freight with packing that survives the trip — worldwide.
Blog & News
全部文章
Machining Know-How & Company Updates
CNC 加工公差：一份可执行的标注指南
公差如何转化为加工成本、哪些标注真正决定报价，以及如何写出供应商能稳稳做到又不必加安全余量的规格书。