Shenzhou Energy Saving Technology Group has been focusing on the R&D and production of thermal insulation materials for nearly 40 years. Still now, there are 4 glass wool factories, and 4 NBR rubber foam factories in Shenzhou Group. For rubber foam and glass wool, there are totally 60 production lines in Shenzhou Group. Fast Delivery time in 7 days, with three biggest China sea port: Tianjin , Shanghai , Guangzhou. Due to the high-quality standard, quick-response service, and on-time delivery, Shenzhou products are reputed and trusted by our customers from more than 60 countries. Hope we can start happy cooperation and believe our high quality and competitive price will help you make good market! Warmly Regards, Shenzhou Energy Saving Technology Group