Zhejiang Shengdi Technology Inc. is China DC Reference Standard Meter manufacturers and suppliers, manufacturing of wholesale energy meter test benches for sale.We specializing in the development and production of electric measuring instruments (electric energy measuring instruments) with high technology as the core and innovation and progress as the driving force for development. Our wholesale electromagnetic measuring instruments passed ISO9001 quality system certification, and have been continuously improved to ensure it can be effectively operated. We provide customers with technical support, after-service, and so on. The company mainly produces and sells various single-phase and three-phase electric energy meters, various electrical measuring instruments, testing equipment and other various intelligent instruments, industrial control systems, computer software manufacturing and processing, and import and export of goods and technology.