Since the 1990s, Experienced R&D manufacturer of HVAC Units and Event Tents Guangzhou Drez Exhibition Co., Ltd, located in Guangzhou, China, has over 15 years of experiences in manufacturing, sales and rentals of full range of Central Air Conditioning Systems. Derz provides not only products but turnkey event solutions, covering Outdoor Packaged A/C units, Indoor Central HVAC units and Outdoor Event Tents. Over the past decades, as the oldest and leading R&D manufacturer in the event industry in China, we have become the Largest Event Equipment Group companies in China Market, with prodcuts exported to many countries worldwide.Our air conditioner factory was located in the Foshan Industrial Zone, developing various Air Condioning Systems, with different production lines and over 300 sets of various models of AC Units in warehouse for domestic rental. They are widely used for Outdoor events such as exhibitions, sports games, corporate activities , and Indoor buildings like Hotel, Restaurant, Railway Station, Sports Center, Office Building etc. Drez has created a whole set of first-class exhibition equipment including air conditioning units, which have passed international highest quality certifications such as QS production license, ISO9001 quality certification, electrical product safety certification, CE certification and SGS certification.We have been researching and developing the Outdoor Packaged A/C units since 2006, and have successfully applied them to over 100 events each year throughout China and Southeast Asia countries until now. This series of products are especially designed for outdoor event tents, perfectly matching with all kinds of tent sidewalls like PVC Wall, Glass Wall, ABS Wall and Curtain Wall etc. Posessing self-owned core technology, we have gained independent intellectual property rights for them both in Utility Model and Appearance Design. They also passed international highest quality certifications such as QS Production License, ISO9001 Quality Certification, Electrical Product Safety Certification, CCC Certification,SGS Certification and CE Certification.Here is brief introduction:1. 5-Minute Installation : we have finished any extra work inside our factory, all that users need to do is put it to the place with tent, connect to power supply and push the "On" button.2.Custom design: We are original designer and manufacture, any changes you want, in function or appearance and various electricty voltages from 220v~450v are all available to be made.3.Stable Quality for 8~10 years: All compressors are imported best brands: US Copeland, Japan Sanyo, or Denmark Danfoss. Tested life span 8 to 10 years. Warranty: 1 year free warrenty, and Lifetime free technical support.Here is brief introduction:1. 5-Minute Installation : we have finished any extra work inside our factory, all that users need to do is put it to the place with tent, connect to power supply and push the "On" button.2.Custom design: We are original designer and manufacture, any changes you want, in function or appearance and various electricty voltages from 220v~450v are all available to be made.3.Stable Quality for 8~10 years: All compressors are imported best brands: US Copeland, Japan Sanyo, or Denmark Danfoss. Tested life span 8 to 10 years. Warranty: 1 year free warrenty, and Lifetime free technical support.We promise to provide our customers only with Qualitified and Tested Products & Professional Services!