As a professional Air Bag factory, SHENZHEN SIEZEND TECHNOLOGY, we're specialized in researching, designing, producing and marketing.Thanks to the constant evolution of the market, SIEZEND keeps on focusing on the newest technologies of air bag. We've been producing different kinds of sleeping bags for 5 years in Shenzhen. We are growing at a very fast pace, because 12 engineers in R&D team focus on to developing new products for different customers and demands.