The registered address of Chengdu Dongying Measuring Instrument Co., Ltd. is No. 2-29, North Section 3, First Ring Road, Jinniu District, Chengdu. The registration authority is Jinniu District Market Supervision and Administration Bureau, and the legal representative is Wang Fu. The business scope includes the sale of measuring instruments, office supplies, computer software, communication equipment (excluding radio transmission equipment), and instruments and meters; Engineering management services; On site maintenance of instruments and meters.