Poyesetsa patsogolo pamakampani omwe amachitika nthawi zonse, timayesetsa kupanga masikweya amtundu wamtengo wapatali wa granite triangular square.Pogwiritsa ntchito granite yakuda ya Jinan yakuda ngati zopangira, malo owoneka bwino a granite amakona atatu amagwiritsidwa ntchito poyang'ana ma coordinates atatu (ie X, Y ndi Z axis) a data ya sipekitiramu yamagawo opangidwa ndi makina.Ntchito ya Granite Tri Square Ruler ndi yofanana ndi Granite Square Ruler.Itha kuthandizira chida cha makina ndi wogwiritsa ntchito makina kuti ayang'anire mbali yoyenera ndikulemba pazigawo / zogwirira ntchito ndikuyesa mawonekedwe amtunduwo.