Shenzhen Perfect Precision Products Co., Ltd.

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Precision Custom Stainless Steel CNC Machined Parts Supplier Manufacturer
Precision Custom Stainless Steel CNC Machined Parts Supplier Manufacturer

Precision Custom Stainless Steel CNC Machined Parts Supplier Manufacturer

  • Introduction

Introduction

When you’re sourcing mission-critical components for aerospace, medical devices, or industrial machinery, settling for "good enough" isn’t an option. A single tolerance deviation or material flaw can cascade into costly downtime, safety risks, and project delays. That’s why forward-thinking engineers and procurement teams increasingly turn to specialized suppliers like us—where precision isn’t just a promise, but a measurable outcome. 

Our Core Capabilities: Engineering Excellence, Delivered

  1. Advanced Multi-Axis CNC Technology
    Equipped with 5-axis Mazak Integrex and DMG Mori machining centers, we handle geometries once deemed "unmachinable." From microfluidic channels for medical implants to corrosion-resistant marine components, our setups achieve tolerances as tight as ±0.005 mm—ensuring seamless integration with your assemblies. 

  2. Material Mastery: Beyond Generic Stainless Steel
    Not all stainless steel performs equally. We leverage:

    • 304/316L for food processing and chemical environments.
    • 17-4 PH for high-strength aerospace fasteners.
    • 440C for cutting tools requiring extreme wear resistance.
      Each batch undergoes spectrometry verification to guarantee alloy integrity. 
  3. Zero-Excuse Quality Control
    Every component passes through a 4-stage inspection protocol:

    • In-process CMM checks (Mitutoyo 0.5µm accuracy).
    • Surface finish validation via profilometry (Ra 0.4–1.6 µm achievable).
    • Salt-spray testing per ASTM B117 for corrosion resistance.
    • Final review against ISO 9001:2015 documentation.
      Result? Defect rates below 0.02% across 15,000+ annual orders. 

Real-World Impact: Case Study Snapshots

  • Medical Sector: Supplied 5,000+ FDA-compliant surgical instrument components with biocompatible electropolishing (Ra ≤ 0.2 µm), eliminating post-op infection risks for a leading OEM.
  • Renewable Energy: Engineered 316L turbine shaft couplings that withstand 10+ years of saltwater exposure in offshore wind farms—zero field failures to date. 

Beyond Production: Your End-to-End Advantage

  • Design for Manufacturability (DFM) Support: Our engineers optimize your CAD models for cost efficiency—suggesting material alternatives, simplifying tool paths, or consolidating multi-part assemblies.
  • Rapid Prototyping to Full Production: NPI batches in 5–7 days; production runs within 15 days (emergency 72-hour turnaround available).
  • Post-Machining Services: Passivation, anodizing, laser etching, and custom packaging (e.g., ISO Class 7 cleanroom for medical parts).
  • Lifetime Traceability: Each part ships with material certifications, inspection reports, and a unique QR code linked to digital records. 

The Smarter Choice for Global Supply Chains

While "cheap CNC services" abound, hidden costs from rework, delays, and compliance failures erode savings. By contrast, our clients report:

  • 40% reduction in QC overhead due to batch-to-batch consistency.
  • 30% longer component lifespans from optimized grain structure and stress-relieving.
  • 24/7 project management: One dedicated contact from RFQ to delivery. 

Ready to Elevate Your Precision Standards?

Upload your CAD file today for a 15-minute DFM analysis and competitive quote.
→ In-house ISO 17025-accredited lab reports included with all orders.

Our Service
Processing
CNC Turning, CNC Milling, Laser Cutting, Bending, Spining, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding
Materials
Aluminum: 2000 series, 6000 series, 7075, 5052, etc.
Stainlesss steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc.
Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc.
Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper
Titanium: Grade F1-F5
Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc.
Surface Treatment
Anodized, Bead Blasted, Silk Screen, PVD Plating, Zinc/Nickl/Chrome/Titanium Plating, Brushing, Painting, Powder Coated, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc.
Tolerance
±0.002 ~ ±0.005mm
Surface Roughness
Min Ra 0.1~3.2
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VR
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Cutting-edge Precision for Your Manufacturing Needs.
Trust the Experts in CNC Machining!

Products Display

Aluminum

Tolerance: +/- 0.01~+/-0.005mm
Material:2024, 5083, 6061, 6063, 7075, etc.
Surface treatment: Oxidation, electrophoresis,sandblasting, electroplating, chemical treatment, painting, hard anodizing, heat treatment, etc.
metal parts.jpg

Stainless Steel/Steel/Titanium Alloy

Tolerance: +/- 0.01~+/-0.005mm
Material:
SUS303, SUS304, SS316, SS316L,17-4PH, etc.
1214L/1215/1045/4140/SCM440/40CrMo, etc.
TA1,TA2/GR2, TA4/GR5, TC4, TC16,TC18,TC21,TC22,TC26,TC118B etc.
Surfacetreatment: Electroplating, galvanizing, spraying, oxidation, polishing, spray grinding, passivation, heat treatment, pickling,shot peening,etc.
Stainless SteelSteelTitanium Alloy parts.jpg

Brass/Copper

Tolerance: +/- 0.01~+/-0.005mm
Material: HPb63, HPb62, HPb61, HPb59, H59,H68, H80, H90, C11000, C12000, C22000, C26000, C28000, C36000 etc.
Surface treatment:Electroplating, tin plating, spraying, oxidation, polishing, spray grinding, heat treatment,pickling, shot peening,etc.
BrassCopper parts.jpg

Plastic

Tolerance: +/- 0.01~+/-0.005mm
Material:Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc.
Surface treatment:Spraying,sandblasting, painting, pickling, alkali cleaning, anodizing, ion implantation, thermal transfer printing, engraving, etc.
Plastic.jpg
Surface Treatment
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CNC Machined Parts Surface Treatment.

(1) Physical surface treatment: sandblasting, wire drawing, shot blasting, polishing, rolling, polishing, brushing, spraying, painting, powder spraying, silk screen printing, pad printing, water transfer printing, electrophoresis, etc. (2) Chemical surface treatment: bluish blackening, phosphating, pickling, electroless plating, TD treatment, QPQ treatment, carburizing, nitriding, chemical oxidation, passivation, etc. (3) Electrochemical surface treatment: anodic oxidation, hard anodic oxidation, electrolytic polishing, electroplating, etc. (4) Modern surface treatment: chemical vapor deposition CVD, physical vapor deposition PVD, ion implantation, ion plating, laser surface treatment, etc.
Application Field
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Factory Show
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20+Years CNC Machining
 
Supply Ability:300,000Pieces/Month
 
Machinery Axis:3,4,5,6
 
Tolerance:+/-0.01~+/-0.005mm
 
Certification:
ISO9001:2015,AS9100D,ISO13485:2016,ISO45001:2018,IATF16949:2016,ISO14001:2015,RoSH,CE etc.
We are engaged in precision mould, CNC turning parts, CNC milling parts. Our products are mainly used for industrial equipments and medical equipments. We can make products with material of stainless steel, steel alloy, copper, aluminum, PEEK, bronze alloy, nylon, derlin, PTFE etc. The surface treatment we can handle is anodize, black oxide, powder coating, high polishing and plating. In order to make sure the critical dimensions, we import our machines from USA and Japan. The minimum tolerance we can make is 0.005-0.01millimetre. Our engineers are quite experienced and can supply OEM service or can give some advices when you need. Our works are trained and follow ISO standard. Choose us PERFECT, we will exceed your expectation. So if anything we can help or any further information you need, please don't hesitate to contact us.
Factory Show(9a8b172d76).jpg
Certificate
Certification.jpg
Customer Photos
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Customer Reviews
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Welcome to a world where precision meets excellence, where our machining services have left a trail of satisfiedcustomers who couldnt help but sing our praises. We are proud to showcase the resounding positive feedback thatspeaks volumes about the exceptional quality. reliability. and craftsmanship that define our work.This is just a part ofbuver feedback, we have more positive feedback, you are welcome to learn more about us.
FAQ
1. Are you a manufacturer or a trading company?
We are a factory located in Shenzhen, China, with 20 years of rich experience,
covering 6000 square meters. Complete facilities, including 3D quality inspection equipment, ERP system and 40 machines. If necessary, we can provide you with material certificates, sample quality inspection and other reports.
 
2. How to get a quote?
Detailed drawings (PDF/STEP/IGS/DWG...), including quality, delivery date, materials, quality, quantity, surface treatment and other information.
 
3. Can I get a quotation without drawings?
Can your engineering team draw for my creativity? Of course, we are also glad to receive your samples, pictures or detailed size drafts for accurate quotation.
 
4. Can you provide samples before mass production?
Of course, the sample fee is necessary. If possible, it will be returned during mass production.
5. What is the delivery date?
Generally, the sample lasts for 1-2 weeks and the batch production lasts for 3-4 weeks.
6. How do you control quality?
(1) Material Inspection - Check material surfaces and approximate dimensions.
(2) First inspection of production - ensure
critical dimensions in mass production.
(3) Sampling inspection - check the quality before delivery to the warehouse.
(4) Preshipment inspection - 100% inspection by QC assistant before shipment.
 
7. After sales service team
If you have any problems after receiving the product, you can provide feedback through voice call, video conference, email, etc. within one month. Our team will provide you with solutions within a week.

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