Quality Control

1. Preparation of quality plan，the quality plan includes three aspects.

1.1. Quality target plan. that is, specific requirements and catch-up targets for product performance, efficiency, durability, maintenance costs, etc.

1.2. Quality indicator plan. that is, quarterly and monthly requirements for product qualification rate and main quality characteristics.

1.3. Quality improvement measures plan. specific arrangements for technical organizational measures that must be taken to improve product quality.

2. Establish a job responsibility system. responsibility is clear, each is responsible, and each has its own responsibilities, there are standards, inspections, rewards, and punishments.