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 3,000 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 machining services such as Rapid prototyping,CNC machining services, Die casting,Forging,Metal Stamping and Surface treatment and parts assembly services. Over 10 years, the passion & responsibility drive us to do more in quality assurance and service optimization.

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


Our Clients

We help more than 3,000 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 customers.

Sinapore airlines



What is edm machining?Comparison of EDM and Cnc Mi

The emergence of high-speed milling has a great impact on the market of EDM,but it still needs a lot of EDM for small, precise and difficult-to-machine molds. ... ... + 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

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 is oem parts in cnc machining area - PTJ Manu

OEM CNC parts are milled parts, turned parts, etc. produced by CNC processing plants according to customer's drawings and requirements. ... ... + Read more

Difference between turning and milling - PTJ Manuf

Turning: The workpiece is swivel and the tool is linear or curved. Milling: The tool makes a rotary motion and the workpiece is linear or curved. ... ... + Read more

What do designers need to prepare before cnc machi

CNC machining currently uses the software Mastercam, cimatron, powermill, ug, proe, solidworks, catia, etc., but the most commonly used are mc, cimit, pm. ... ... + Read more

What is cnc manufacturing? - PTJ Manufacturing Sho

Cnc manufacturing process is generally used for prototype, rapid mold, vacuum silicone mold and other processes to achieve small batch production. ... ... + Read more

How to cut sheet metal - PTJ Manufacturing Shop

Cut sheet metal technique flourished in the 18th century, and it was seen in the silverware of France, Britain and the United States during that period. ... ... + Read more