Work hard and don't take risks-please wear safety protection;

Environmental slogan: it's all your fault, there will be no clean water and air one day-it's everyone's responsibility to prevent environmental pollution;

Quality slogan: if you feel uncomfortable, your quality is not right-live a good life and have quality every day;

Cost slogan: innovation begins with cost, and it is wasted in exhausting life-the lifeblood of cost cannot be wasted;