Beijing DongQiDaHua Electronic Co., Ltd. is a joint venture founded by Beijing DaHua Electronic Group, Beijing MiYun Foreign Trade Corporation and Tang Tai Ying from Taiwan.

• 北京东奇大华电子有限公司-是由北京大华电子集团与北京密云对外贸易公司、台商共同出资组建的京台合资企业。