About Us

Shandong GRAD Group Co. Ltd.


Shandong GRAD Group is situated in Dezhou, Shandong. It is a large modern enterprise with the research & development, design, production, sales, installation and maintenance for central air conditioning products, composite material products and solar energy products. It is named the pillar enterprise by China Refrigeration and Air Conditioning Industry Association (CRAA) and is one of the leading enterprises in central air conditioning and composite material industry.


As a comprehensive energy solution provider, GRAD possesses national mechanical and electrical equipment installation Class I qualification and purification equipment installation Class II qualification. GRAD has the overall project contacting ability. It has contracted national class and provincial class technology research projects for many times. The accumulated patents for technological achievements have passed 110 items. There are more than 300 senior engineers available for central air conditioning design and solution. The 700,000 ㎡ manufacturing base includes the whole central air conditioning series: from chiller to terminal products. The high efficient falling film centrifugal chiller maintains domestic leading position and the large fan wall air handling unit has filled domestic blank and been listed in the national torch plan. GRAD has the national class air conditioning testing center and has passed CNAS certification. The products quality can be well guaranteed. At the meanwhile, GRAD has established more than 30 offices all over China, such as Beijing, Tianjin, Shenyang, Xi’an, Wuhan, Nanjing, etc. The sales, design, installation and after sales network has covered every corner of China. Moreover, its products have been exported to more than 100 countries. Until now, GRAD Group has established five subsidiaries: Sales Engineering Company, Chiller Company, Air-conditioning Company, Composite Material Company and Wind Power Company. It has already passed ISO 9001 quality management system certification, ISO 14001 environmental management system certification and OHSAS 18001 occupational health safety management system certification.