Shandong Gaotang Bohai Precision Machinery Co., Ltd was founded in the early 1980s as Gaotang Measuremental Instrument Factory, which was expanded and renamed Shandong Gaotang Bohai Precision Machinery Co., Ltd in 2003. The company is specialized producer of granite products as well as one of the leading granite product suppliers in China. Capable of producing over 40 varieties and 8 series of products, the company also accepts orders for nonstandard production and provides precise granite components for high-accuracy survey and manufacturers.

Our company is specialized in granite production and mainly produces plates and measures （granite measures, Granite structures, such as angle square, square rule, leveling rule, base of measures, v shaped frame, parallel rule, square chest）of various specifications and standards. The products include: bases of three-dimensional measuring machines, circuit boards and various projectors. Projector bases manufactured by our company are selling well and highly praised in Shenzhen and the Pearl River Delta. Our products are sold in more than 10 countries and regions, mostly in Germany, Spain and Taiwan. The company has established cooperation with Qingdao Qianshao Machinery Factory whose products, inspected according to DIN and JIS standards and packed according to the international export standards, are exported to Japan and Germany. In addition, our company is in possession of advanced manufacturing equipment including 1double housing planer, 1 bridge-type cutting machine, 1 guideway grinder, 1 C.N.C Drill, 5 upright drills, 2 10-ton traveling cranes, 2 5-ton traveling cranes, 2 3-ton traveling cranes and a 2000m2 constant temperature workshop, which provide for the production of high-accuracy granite measures and instruments.
Quality is critical to the survival of enterprises. Therefore, our company takes quality as the utmost purpose of operation. Each sector of the manufacturing process, from purchase of raw materials to the final inspection of finished products, is under tight control. That’s why our products are selling well in both domestic market and over 20 overseas markets.