PTJ Manufacturing Shop

PTJ Manufacturing Shop

Quality CNC Machining Services

We provide CNC machining and turning of rapid prototype parts and low to mid volume CNC rapid production parts. Unparalleled precision for producing aluminum/brass/steel parts etc.
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See Our All Facilities

We are online experts in milling, turning,cutting,5 axis precision machining and die-casting etc.we use advanced equipment to offer you a variety of CNC machining services

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We help more than 1,000 global clients for their new projects in past 10 years– over 60% of the world’s China brands.

ONE-STOP Custom Manufacturing Services On Demand In China

PTJ® provides a full range of Custom Precision cnc machining china services.ISO 9001:2015 &AS-9100 certified. 3, 4 and 5-axis rapid precision CNC machining services including milling, turning to customer specifications,Capable of metal & plastic machined parts with +/-0.005 mm tolerance.Secondary services include CNC and conventional grinding, drilling,die casting,sheet metal and stamping.Providing prototypes, full production runs, technical support and full inspection.Serves the automotive, aerospace, mold&fixture,e-cigarette,medical,bicycle, and consumer electronics industries. On-time delivery.Tell us a little about your project’s budget and expected delivery time. We will strategize with you to provide the most cost-effective services to help you reach your target,Welcome to Contact us ( ) directly for your new project.

cnc machining shop china

Pro engineers+Services Team

20+ service team consisting of experienced engineers and well-trained sales Engineer. Quote in 24 hours.



1000+ Case have been done; Efficiency manufacturing solutions will be provided by our 10+ year experienced R&D team.

Quality Assurance & Control

Quality Assurance & Control

100% inspection before delivery, 99.5% Qualification Target, Full monitoring all the time.(2.5MM,3MM inspection).

Our Advantage

cnc machining services

How we works

why choose ptj

precision parts
rapid parts
die-casting parts

case studies

Our Clients

We help more than 1,000 global clients – over 20% of the world’s leading global brands – Successfully helped them complete new non-standard parts projects and won high praise from us right

Sinapore airlines



The Difference Between Inconel And Monel

The uniform corrosion of inconel products can occur in acidic or hot alkaline solutions. Through this mechanism, losses can be expected and allowed in the design. ... ... + Read more

The Difference Between Various Hastelloy

Hastelloy grades: Hastelloy C276, Hastelloy C22, Hastelloy C-2000, Hastelloy C-4, Hastelloy C, Hastelloy B, Hastelloy B-2, Hastelloy B-3, Hastelloy X, Hastelloy G-30, Hastelloy G-35, etc. . ... ... + Read more

Metal Material List For Cnc Machining And Mold Man

This article summarizes more than 20 kinds of metal materials used in mold manufacturing and CNC machining. ... ... + Read more

Milling Instead Of Printing For Prototype Customiz

When it comes to rapid prototyping technology (RP), the first thing many people think of is 3D printing technology and manufacturing. ... ... + Read more

How to calculate cnc machining cost?- PTJ Manufact

how much does cnc machining cost?CNC machining costs are divided into three parts:Machine cost+machining difficulty of parts+Tool cost+Labor costs. ... ... + Read more

How does medical equipment manufacturers choose su

Large medical equipment companies will also consider how to choose high-quality cnc processing manufacturers, online collection, a lot of manufacturers seem to be similar. ... ... + Read more

Are you trading company or manufacturer ?- PTJ Man

PTJ is one professional custom metal parts manufacturing companies in China, Trusted by the most famous company over the world, Supplying high-quality metal projects or other machining processing. ... ... + Read more

What are the methods of removing burrs from cnc m

PTJ Manufacturing Shop have summarized the common methods of removing burrs from precision machined parts. ... ... + Read more