First of all, there will be corresponding inspection after each process. For the finished products, we will do complete inspection according to the requirements of customers and international standards. Then, we have advanced and complete top testing equipment in the industry: spectrum analyzer, metallographic microscope, universal tensile testing machine, low temperature impact testing machine, X-ray flaw detection machine, magnetic particle flaw detection machine, ultrasonic flaw detection machine, coordinate measuring instrument, image measuring instrument, etc. The above equipment can fully ensure that customers can be provided with high-precision final castings, and at the same time can ensure that customers can meet the physical and chemical properties of materials, non-destructive testing, high-precision geometric size testing and other comprehensive testing requirements.