③ Shell assembly: mainly on the drum, switch and other components for assembly;

④ Electrical assembly: assembly of electrical components for the control of the whole machine, including transformers, isolation switches, contactors, circuit breakers, control boards, terminals, etc., and make the control board into a whole;

⑤ Commissioning and independent inspection: workers pass the four key processes during the assembly of the whole machine, and carry out self-inspection in strict accordance with the requirements of the factory inspection after the assembly of the whole machine is completed.

(2) Inspection of the whole machine: The quality inspection department of the company carries out the factory inspection of the whole machine, and carries out the inspection in strict accordance with the requirements of the company. Inspection items include general requirements, labeling, packaging, insulation resistance, withstand voltage, leakage current, grounding resistance, operation and special requirements of users.

(3) Product packaging: Packaging in strict accordance with the company's packaging requirements.

(4) Product warehousing: The products after qualified packaging will be warehoused and handed over to the warehouse for storage.