• CNC Machining Services
  • CNC Milling Services
  • CNC Turning Services
  • Precision Grinding Services
  • Wire-EDM Cutting Services
  • Die Casting Services
  • Surface Finish Services

Quality Control

  • ISO9001:2008 Certified
  • Advanced Inspection Equipments
  • Well Trained Inspectors
  • Incoming Material Inspection
  • In-progress Quality Check
  • Final Quality Inspection
  • 100% Inspection Before Delivery


  • 24/7 Quick Response
  • Honest and Professional
  • Responsible Attitude
  • Customer Satisfaction Pursuit
  • Fast & on-time Delivery
  • Small Quantity Order Accepted

How to Work

  • Send us drawings or samples.
  • We offer best prices.
  • Pre-production sample confirmation.
  • Mass production executed.
  • 100% inspection and issue reports
  • Deliver goods on time.

Previous Work Show

precision engineered parts, precision racing parts
Precision Wire EDM Cutting Machining Services China Supplier
CNC High Precision Engineering Parts & Components China Manufacturer
CNC Manufacturing China

About us

Kinsai company is a well reputed manufacturer and supplier of precision cnc machining parts in China. We have been providing premium cnc machining services for worldwide customers for more than 10 years. Our strength is manufacturing high requirement and high precision machining parts with best quality and prices.

Our factory has capability to do cnc milling, cnc turning, precision grinding, EDM machining, die casting, tapping and other related secondary machining. Our engineers are familiar with cnc machining metal and plastic materials like aluminum, stainless steel, titanium, brass, copper, carbon fiber, ptfe, nylon, et.

The custom machined parts we made are mostly served for industries of aerospace, defense and military, test & measurement, medical systems, communication, automation, semiconductor, automotive, electronic components, etc. We can not only produce precision cnc machining parts, but also offer assembly services for customers More…

Customer Feedbacks

alex, I have finished the checking. the pieces are of good workmanship. also the steps of EDM machining are made well. I am very impressed by your work and we will place another order soon!

thank you

DanielFrom Italy

Hi Louis, I received the cnc machining parts today. We have briefly tested them and they look very good. We will now begin evaluating process with the parts in machine testing. Thank you for the excellent work!


MikeFrom USA

Welcome to send us your CNC machining RFQ with drawings for pricing, or NDA document for signature first.  We reply emails within 24 hours.