Precision instruments for precision machining in Dalian refer to the equipment and devices used to generate and measure precision quantities, including observation, monitoring, measurement, verification, recording, transmission, transformation, display, analysis, processing and control of precision quantities. It mainly includes precision instruments for detecting various geometric quantities, such as vertical goniometer, laser interferometer, theodolite, CMM, roundness instrument, profiler and scanning tunneling microscope.

It does not cause the chemical or phase change of the workpiece, which is called cold working. Generally, processing above or below normal temperature will cause chemical or phase changes of the workpiece, which is called hot processing. Cold working can be divided into cutting and pressure machining according to the difference of machining methods. Hot working commonly includes heat treatment, forging, casting and welding.

Production line supporting tooling fixture, cast aluminum shell of spectrum analyzer of General Iron and Steel Research Institute, impact testing machine, manipulator of Robotics Research Institute of Beijing University of Aeronautics and Astronautics, stamping die of air filter element of logistics department. The products involve machinery, electronics, automobile, industrial automation, military industry, household appliances, medical devices and other fields. It has won more and more customers' trust.

Slotting is actually a vertical planer. Its cutting tools move up and down. It is very suitable for incomplete arc machining. It is mainly used to cut some types of gears. Machining includes many machining types. At present, it is a common machining type. These machining types can meet the machining process required by all workpieces at present.