1. The technical department designs products according to customers' drawings and requirements.

2. The production department makes and processes accessories according to the drawings of the technical department.

3. Purchasing department purchases standard parts according to drawings of technical department.

4. The quality inspection department shall inspect whether the processed parts and purchased parts are qualified according to the requirements and drawings of the technical department

5. Assembly, installation and commissioning, invite customers to check and accept.

6. Factory inspection and packaging.