Nado（Beijing) Global Investment Co.,Ltd.: Nado (Beijing) Global Investment Co., Ltd. (referred to as "Nado") is a branch of Henan Gongyi Dahua Machinery Company (referred to as "Dahua", which is the factory based in Gongyi city). Nado is the unit of Dahua to responsible for exporting, marketing and business development, international trade, assisting foreigner clients for domestic procurement and international mining investment and so on. Henan Gongyi Dahua Machinery Company (referred to as "Dahua") is a local manufactory which is specialized ...