- China Plastic Mold Shop -
China Mold

About us

PTJ TECH was established in 2007, is a professional precision mold manufacturing and plastic parts injection molding processing factory. It has a modern production plant and dormitory area of 5000+ square meters, and is equipped with complete production supporting facilities. It has more than 30 excellent engineering and management elites and more than 80 experienced technical personnel at all levels. Our mold manufacturing process adopts internationally advanced CAD / CAM / CAE high-tech mold development and design system; CNC machining center; slow wire cutting; spark machine and other high-precision mold manufacturing equipment.

Serviced Range

Plastic Mold Manufacturing

ISO 9001:2008 certified manufacturer of plastic injection molded parts and fabricator of custom injection molds and cavities. Services include precision plastic injection molding, part design, mold design, mold construction, engineering, contract manufacturing, automated & manual assembly, cellular manufacturing, rapid prototyping, R&D, mold maintenance, mold repair, joining, decorating, packaging, and chemical bonding. Materials include difficult-to-process engineering resins, rubber replacement and metal replacement plastics, ABS, Acrylic, TPE, TPU, PC, PE, PP, Nylon (PA), PS, PPS, PI, PEI, PPS, PES, Ultem®, Radel, PEEK, Ryton, Lexan®, Valox® and other engineering plastics with additives. Industries serviced include medical, dental, life safety, lighting, military, automotive, aerospace, and consumer products.

  • Precision Mould
  • Hot runner Mould
  • Cold runner Mould

Injection Molding

At PTJ Tech, we offer Custom Mould making, injection moulding manufacturing, painting, pad printing, assembly, and shipment solutions for the worldwide customers, we have our own plastic mold company (65 toolmakers), and injection molding company which has 25 injection molding machines from 80 tons to 2000 tons, inccluding pad printing, painting, and assembly line. We offer multiple cavities molds, overmolding, clear plastic molding, insert molding, thin-wall molding, 2K injection molding, etc. If we produce the injection mould tooling and molded products for you, it will save you up to 40% of mold & molding manufacturing cost. welcome to our Plastic Molding Manufacturing page to know more about our service, we make any type of plastic molding parts for all of the industries, I believe there will be sutable molding parts for your business.

  • Precision electronic appliances-fan
  • Precision electronic appliances-water purification equipment
  • Medical, kitchenware, sports cup
  • Communication network, data storage and transmission equipment
  • Auto parts, furniture, security, office
  • Metal Insert soft plastic cover, gear and others

Products Assembly Service

China is the world’s largest manufacturing country and has a complete, independent and complete modern industrial system. The output of more than 220 kinds of industrial products in China and rank the first in the world, if you are looking for OEM contract manufacturing and products assembly offshore service. I can confirm you that China is one of your best places to go, if you are looking for plastic mold/molding manufacturing, the secondary process like painting, silk-screen, chrome plating, and products assembly service, We will be one of your best partners, below you will see our advantages, click here to check more information why you should choose us to partner with.

How Do We Ensure Our Plastic Molds & Moulding Products Quality

  1. Signing an NDA (Non-disclosure agreement) document to protect your project, we never share your data to any other third parties.
  2. DFM (design for manufacturability) analysis report to solve any possible issue (sink marks, demoulding issue, undercut analysis, sharp steel, distortion issue, etc) before mould design & manufacturing.
  3. Mold Components for all of export molds are made according to DME, HASCO standard, like guide pins, bushings, ejector pins, or according to customer’s requirement
  4. All of export molds are shipped with steel certificate, heat treatment certification, mold trial parameter, and full-dimension measurement report according to customer’s 2D drawing
  5. Fluent technical English communication & excellent project management, very important for your project, these advantages are named by our customers.
  6. Over 15 years of experience in mold design, Plastic Injection Mould Making, Die Casting, Plastic Molding Manufacturing, Painting, Silk Screen, and Part assembly.
  7. Always in time feedback to our customers, communication fast like your overseas local suppliers.
  8. Various type of molds/molding products service including Automotive injection Mold & Molding, Home Appliances, Industrial Molds & moldings, Medical molds & Molding, Food packaging industry, cosmetics packaging industry, pipe fitting industry, and secondary process like pad printing, silk-screen, painting and more.
  9. A few hundred of quantity or millions of quantity parts are available for your market needs