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Plus Proto Overview

One of the Best China Rapid Prototyping Suppliers


Plus Proto is the brand of Dongguan Plus Industrial Investment Co., Ltd. Plus Proto’s founding team comes from the Manufacturing Industry Association and has more than 20 years of experience in the line. Our Services include CNC Machining, Sheet Metal Fabrication, Injection Molding, Die Casting, Rapid Prototyping, Low Volume, and Mass Manufacturing, etc.

Based on professional service and uncompromising product quality, Plus Proto has been recognized by Fortune 500 companies such as BMW, TESLA, HP, Samsung, etc. we will still focus on improving better quality and giving clients the best service.

At Plus Proto, we strive to ensure that each of our customers can obtain satisfactory services and provide customers with comprehensive and complete solutions. Our Rapid Prototyping parts include complex and precision optical parts, automotive parts, medical equipment, or aerospace parts. No matter how complex your project is, we can do our best to produce what you need.

In order to meet clients’ needs, we have increased our investment in advanced production and inspection equipment. Currently, we have 3 axis, 4 axis and 5 axis CNC machining machines, machine tools, Stamping machines, die casting machines, Coordinate Measuring Machines, Quadric image measuring instrument and spectrometer, etc more equipment will bring continually in future.

Plus Proto Video

Plus Proto Workshop Overview

See How We Control Quality For You


As a professional China rapid prototyping supplier, we are working hard to change people’s perceptions of the poor quality of Chinese products. We regard quality as the life of the company.

We have a full range of advanced testing facilities and a professional QC team. Our advanced inspection equipments such as Quadric Image Measuring instrument, Material spectrometer,Rockwell Hardness Tester, Electronic altimeter, Height Gauge,Surface Roughness Tester and Digital caliper, etc. Using these professional facilities, we can give you detailed test reports.

We have a professional QC team to do inspections of quality from raw materials to finished products. All products are shipped only after we pass strict Full-inspection.

We guarantee No fake raw materials at Plus Proto.

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