Our company currently has two major business units, namely the Overseas Business Unit and the Domestic Business Unit. The business areas of the domestic business unit basically cover provincial-level regions, with plans to establish 5 branches and 30 offices; The overseas business unit covers important countries and regions in Europe and America. Currently, the domestic business unit has established a Beijing company with radiation in North China as the core, and a Zhuhai headquarters with radiation in the core cities of the Greater Bay Area in South China. The Shanghai company, Chongqing company, and Hunan company are gradually being established, and each company has professional testing laboratories to meet the needs of customers for nearby testing. The plan is to create a 7 * 24 service circle, and the mission is to be achieved.