GRAD Group founded in 1993 in Dezhou, shandong province,that is an enterprise Group focusing on the artificial environment,and spanning five strategic new industries of new energy, new materials, equipment manufacturing, energy conservation and environmental protection, and information technology.GRAD products and services spread around the China and world with 100 countries and regions. They are widely used in infrastructure projects, commercial real estate, industrial manufacturing, agricultural development, electronic information, automobile engineering, medicine, environmental protection treatment, ocean engineering, rail transportation and other fields. With more than 10,000 employees, GRAD Group owned the production bases in Shandong, Guizhou, Sichuan, Xinjiang ,Inner Mongolia and so on.And GRAD Group has established r&d centers in Shanghai, Beijing, Jinan, Lanzhou and Los Angeles. GRAD is committed to make artificial environment better.It can be met customer demand through building all process solution of air conditioning engineering, ventilation civil air defense, composite materials and environmental protection engineering.Grad constructed the whole life cycle industrial chain and industry ecology including brand planning, system design, technology development, product manufacturing, the overall construction and maintenance services, inspection certification, talent exchange and industrial cluster. Innovation and reform, GRAD gained top 500 China Machine and China's new materials enterprise key units through the realization and application of more than 500 patented technology achievements, through the continuous innovation of business model and keep pace with the times.Thousands of miles of road, do not forget the original intention, time replacement, dream forward, we will continue to the enterprise spirit with "self-improvement, social commitment" to create a first-class enterprise and achieve a century foundation.