Qingdao Voltor Door Technology Manufacturing Co.,Ltd. is located in Qingdao City, Shandong Province. It is very convenient for sea transportation. The company specializes in the production of various aluminum and steel roller doors, garage doors, industrial doors, high speed doors etc. The products have been exported to the United States, Canada, Mexico, the Czech Republic, New Zealand, Australia, Jamaica, South Korea and other countries. It is the roller door supplier of Lowe's, the second largest building material supermarket in the United States. The garage doors are made by automatic line. 11.8m panels are available. There are flat, mirror, line, micrograin, square, long rectangle styles available.