Oupai head office "Dalian Oupai Technology Co., LTD."was established in 2006, located in Dalian city, Liaoning Province.Wuhan Innovation Opai Technology Co., Ltd founded in 2011, which covers an area of 20000 square meters which includes 1500 square meters offices, equipped with 12 advanced production lines and employs more than 200 workers, is a profess...