There are many types of hardware. For example, household hardware uses the market to consume products. In addition to furniture that is used more, the car market is used the most, and everything needs to use precision metal processing parts. The working procedures are also different, and generally have to pass inspection, turning processing, heat treatment, inspection and packaging and warehousing procedures. Before and after treatment, it is determined according to product requirements or materials, not all products need heat treatment. There are two types of thread rolling, thread rolling and thread rolling, which are determined by product specifications or hardness. Some products need to be subjected to crack detection, commonly known as flaw detection, and also need to be processed by cold pressing or punching.
Different products also have different processes. After the processing is completed, it is also a metal processing factory, which is also a hardware processing. Their process is different: first, after the parts are shipped, the first thing to do is pickling; then the acid is removed; then it is dried; then sprayed, then Heat the parts to a certain level, and finally the work is finished.
