
Beijing Naijiu Weiye Technology Co., Ltd is a high-tech enterprise specializing in the research and development, production, sales and service of concrete durability instruments. It has been recognized by the State in 2016, 2019, 2024. Under the guidance of experts, the company takes high-tech as the basis, takes innovative products as the goal, takes high standards as the constraint, and takes humanization as the guide, and has designed and produced: Handheld chloride ion content tester, desktop ...