Shandong Square Precision Machinery Co., Ltd. is a professional manufacturer of granite components. Our company was founded at the beginning of 1980s, and now we have developed to be one of the leading suppliers for granite products in China. The products range eight series including more than 40 species. Our factory also accepts nonstandard orders and provides clients with granite components of high-precision measuring tools. We hold the "highest quality" as our company's principle. From raw materials to finished products, all the processes are under strict control, so our...