Advance Cnc Machining
China One-Stop Company

Visit us at

Sifangyuan Industrial Park, Xinshapu
Huaide Community, Humen town
Dongguan City, Guangdong Province.


PTJ Shop is Cnc Machining Expert has 12 years experience on custom non-standard parts. As a cnc machining factory We Material research & Design and manufacture products,Material types included machining aluminium,stainless steel,brass,copper,titanium,magnesium and plastic machining etc.,. our factory located in Dongguan, occupies an area Over 5,000 square meters. Cnc Machining Online Quote Serviced aircraft&aerospace, automotive, LED lighting,bike,medical,electronic,mechanical,Oil&Energy and Military industries. Most of Our Customer business who base on Canada, Israel, Japan, Europe and USA, the business grow up year by year. We are sincerely looking forward to your cooperation, warmly welcome you join us to share the market, and expand our business together!

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about us

PTJ Shop is a famous china cnc machining manufacturer,has rich experience in designing and machining non-standard plastic and metal parts. Since its establishment in 2007, PTJ Shop has produced more than 300,000 sets of parts, and has systematically summarized and filed all the technical points, solutions and debugging parameters of cnc machining. 

The summary of these technologies and experiences is the wealth of PTJ Shop, and also provides many technical solutions for our customers, thus helping customers save a lot of time and production costs.

China Cnc Machining Manufacturer

In order to make all the custom parts well,PTJ Shop focus on the feasibility analysis of cnc machining parts forming, the quality of  design and the control of the dimension of parts.

  • 1. Feasibility analysis of parts forming, we check every parts to ensure that there are no defects in the design of parts. Because the design defect of parts is a very big problem when the cnc machining process  is made, which often leads to irreparable mistakes and delays.
  • 2. Cnc Machining Process analysis, when parts machining, we take into account the cnc machining process, processing methods, assembly methods and user maintenance convenience. Because good parts are from good design.
  • 3. Strict dimensional control of cnc machining parts. Before finishing, tolerance and processing flow are stipulated on the 2D drawings of each part. Each step of machining is strictly self-checked and sent for inspection according to the tolerance on the drawings.


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