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 diversity of CNC prototype model processing me

Do you know the CNC prototype model? The following Pingte precision hardware parts processors will explain to you! ... ... + Read more

Dongguan cnc processing technology standards and r

No matter which line you are doing, if you want to become a master, you must stand the experience of time and constantly improve your work ability. In the CNC machining industry in Dongguan, if you want to become a CNC master (metal cutting), you mus ... ... + Read more

Several thread processing methods commonly used in

Thread machining is one of the very important applications of CNC machining centers. The machining quality and efficiency of threads will directly affect the machining quality of parts and the production efficiency of machining centers. ... ... + Read more

The knowledge that CNC engraving and machining mus

CNC engraving machine is good at fine machining of small tools, with the ability of milling, grinding, drilling and high-speed tapping. It is widely used in 3C industry, mold industry, medical industry and other fields. This article collects common q ... ... + Read more

What should I do if plastic injection molding is i

This is a frequently encountered problem, but it is also relatively easy to solve. When it is really not solved by technological means, it can be improved from the design and manufacture of molds, which can generally be solved. ... ... + Read more

the heat treatment characteristics of plastic mold

For plastic molds with high hardness, high wear resistance and high toughness requirements, carburized steel should be used for manufacturing, and carburizing, quenching and low temperature tempering are the final heat treatment. ... ... + Read more

Program control of injection speed

The program control of the injection speed of plastic machining is to divide the injection stroke of the screw into 3~4 stages, and use respective appropriate injection speeds in each stage. For example: slow down the injection speed when the molten ... ... + Read more

Is it a joke to reduce the CNC finishing time from

If I tell you that there is a machining method that can shorten the finishing time of parts from 60 minutes to 4 minutes ... ... + Read more