The establishment of the shenzhen Wan Yi technology co., LTD. Is in order to protect the health and safety of the personnel, Wan Yi is a production-oriented high-tech research and development of science and technology enterprises, the company with the European Union CE certification and CPA measuring instruments permit; Wan Yi technology for the environmental sensor technology company China office, responsible for the United States ESTESNROS brand gas monitor, radiation meter, data collector and other products sales and after-sales support, since its establishment, Wan Yi SE company with the United States, the United States Medcom company of science and technology, 2 b companies in the United States, the United States ozone solutions company, Gamma - Scout company in Germany, Japan COM systems inc., Japan KEC electronic co., LTD (ECO), Taiwan, Japan SNESOR company HuiBai consummation mau technology international, Taiwan and Germany, Taiwan optical company signed the China general agent.