Established in 1990, Dezhou Zhongwei Air-Conditioning Equipment Co., Ltd. is a professional manufacturer and exporter specializing in the design, development and production of compound air ducts, intelligent air ducts, flange appendixes, etc. We are located in Dezhou City, Shandong Province, with convenient transportation access. All of our products comply with the international quality standards and are greatly appreciated in a variety of markets around the world. With an area of 99,000 square meters, we now have over 300 employees and an annual sales figure that exceeds USD 10 million. We are currently exporting 40% of our products worldwide. Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarantee total customer satisfaction. Besides, we have received the ISO9001:2000 Certification. As a result of our high quality products and