Bo Tang Hong Xiang Rui Machinery Manufacturing Co., Ltd., located in Botou, China, known as the "Birthplace of Casting." Initially established, the company primarily produced cast flat platforms, level squares, square boxes and cylinders, V-iron supports, granite, inclinometers, magnesium aluminum measuring instruments, plug gauges, machine bed shims, bent plates, ground anchors, and machine casting products. Our plug gauges have been selling well across various regions, even in Hong Kong, Macau, and Taiwan, earning positive reviews from both new and old customers. The past decade has been a decade of progress for our country, with significant advancements in both economic and technological aspects. China's entry into the WTO presents both opportunities and challenges. With the issuance of new standards for marble flat plates, cast iron flat plates, granite platforms, and plug gauges, as well as the revision and implementation of these standards, and the development of production, t...