Beijing Construction Machinery Vocational Skill Appraisal Institute, referred to as Beijing Construction Machinery for short, is a professional skill appraisal institution approved by Beijing Municipal Market Supervision and Management Department and filed by Beijing Municipal Human Resources and Social Security Bureau. Its center is located in Tongzhou District, Beijing. Its main business is professional skill appraisal of construction machinery industry, based on and serving the society, cultivating talents in all aspects of the country, building a standardized and scientific talent training system, and creating a beautiful career plan for junior professionals in China. Approved by many institutions, we cooperated with China Workers' Audio-visual Education Center to carry out special pre-job training activities of "Construction Machinery Industry". The main job is to evaluate the skills and post ability of construction machinery industry, and provide professional ability evaluation for employees in construction machinery industry.