China sheet metal roller bending machine SBKJ GROUP (SBKJ INC.)is based in the Yangtze River Delta, near Shanghai, China. Our company is a national new high-tech enterprise which is specialized in the development and manufacture of machines, such as tube forming machines, plasma cutting machines, for the production of round ducting and fittings in sheet metal, mainly for the climate and ventilation industry. We have gotten the certificates of ISO9001:2008, CE and etc. We have customers from more than 60 countries in the world. SBKJ GROUP, a professional HVAC duct manufacturing machines supplier. Products mainly consist of auto duct production line, rectangular duct making machine and round/spiral duct forming machine. SBKJ鈥檚 research and development is the cornerstone for our Automatic Tubeformers that produce a higher-quality duct with reduced production costs. SBKJ is established as the foremost and leading innovator in SPIRAL DUCT manufacturing with several patented inventions, such as the Flying Slitter and Flying crimper. Besides, OEM service is available. The message media will help you to contact our company. For example, Email, Mob, WhatsApp, Facebook, Youtube, and WeChat. It will be perfect assistants between customers and our company when you have questions about the function of duct manufacturing machines, operation way, maintenance of machines. We will send you our answer and help you to solve all problems during whole processing of choosing machines as soon as possible. About after-sales service, we have skilled technicians who can teach you how to operate machines by video. Our technicians are the operators who use and explore HVAC duct machines more than 10 years in our factory. We can also provide engineer overseas service or you can send your workers to our factory in China to learn operation method. Our company welcome customers all over the world to visit our factory and learn using way. We will pick you up from Shanghai Pudong International Airport. We sincerely welcome both domestic and international friends to cooperate with us. Our ExhibitionChina sheet metal roller bending machine website:http://www.spiraltubeformer.com/