shandong square precision mechanic CO., LTD have been specialized in making granite measuring devices and granite mechanical components with high quality granite for nearly 10 years. we have complete mechanical processing equipent and conditions for constant temperature processing and testing with advanced electronic testinginstruments and computerized data processing. we can annually produce 1300m2granite inspection plate of grade 00 within the dimension of 3000X2000X500mm and 1200 pieces of granite mechanical components, 98% of which are exported to foreign countries such as USA, japan, germany, taiwan, hongkong and other countries.We once made the accurate platform of granite for the firing base of the Chinese space satellite, Produce 600X600X6000MM accurate track for the Japanese customer;Make 2000 X2100X300MM granite members for Taiwan FOXSEMICON; Make 2500 X2500X300MM granite plate for the Japanese customer .our main products include:granite surface plate, straight edges, angle squares, squares rules, v-blooks, parallels, ladder-shaped blooks and mechanical components of precision instruments such as work-tables and guides.we can also perform such different-type processing as drilling, grooving and setting metal pieces on the worktables. we can provide granite mesuring tools and granite mechanical components for different cliects acording to specific standards of differnt countries.our principal:making the best frinends an developing the best enterprise.Square company owns the right of the import and export.we sincerely welcome frinends from all over the world to visit us and look forward to cooperating with you and make better furure together.