We are Qingdao Aofeng Construction Material Technology Co.,Ltd,located in Qingdao, China, founded in 2004, as one of the earliestleading manufacturer of Polyurethane(PU) Foam Sealants and SiliconeSdhesives inChina, Aofeng Group now has developped 5 factories with 10+production lines. The output value exceeded USD45.00 million since2015.Â