Rapid Prototyping Services, Professional manufacturer of CNC Prototyping and 3D Prototyping in China. 

Material Identification and Quality Assurance

for rapid prototypes

Tuowei Prototype possesses in-house sophisticated measuring and testing equipment, which enables us to qualify all incoming raw materials and rapid prototypes,

while our modern metrology lab ensures that your parts meet your exact specifications.

Quality rapid prototypes Inspection and Testing

Making a product of consistently high quality requires good management and process control techniques combining with advanced equipment.

At Tuowei, we make sure every project includes these steps for quality assurance:


Design for Manufacturing (DFM) technical review of all requests for quotation (RFQs)


Contract review upon receipt of P.O


Incoming materials inspection


In-process inspection


In-process inspection


Final inspection, testing reports, and certifications per customer requirements.

Shore Durometer

Hardness may be defined as a material's resistance to permanent indentation. There are several scales of durometer, used for materials with different properties. The two most common scales, using slightly different measurement systems, are the ASTM D2240 type A and type D scales. The A scale is for softer plastics, while the D scale is for harder ones. Tuowei has these 2 kinds of types to ensure the soft and hard plastics have the correct hardness.

Round Plug

For the machined holes, clients usually have a very strict requirement about tolerance as the correct hole can make sure the assembly correct. Tuowei Prototype puts the round plug with a different grade in the holes. If the plug is suitable for the holes, then the tolerance is ok; if the plug can't be put in and much smaller than the hole, then the tolerance is incorrect. This is a very easy way to test and make a correct hole, and the tool is also portable with greater convenience for our clients.

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Sincerely hope to serve you!

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