We will provide material report from suppliers of raw materials on customers’ request. Usually, we will use spectrometer and other equipment to detect the composition of the product before the dimensional inspection. And therefore, we gurantee that the strength, hardness can meet the customers' demands.
If you come across any problems with your prototyping ot parts, just free free to contact with us. We will check the design and your received products for the inconsistency and redo your products as soon as possible if the your samples has the follow problems.
We will quickly response to your refund request if we find our product issue can not be solved.