The word square foot 
 Manufacturing standards: Press JB/T7977-99 standard manufacturing. 
 The word square foot http://www.bthxzw.com/GZPC.html 
 Material: made of HT200-250, parallel to the flat-foot cast iron of such material has been widely used in industrial production. 
 Processing: Face Scraping or precision grinding process. 
 Uses: used to machine inspection and testing roughness and direct degree two face is in line with the block gauge, micrometer, a level instrument testing, different heights, two rails parallel and connected to the rail level, and can meet at right angles feet, testing only the two parts of the vertical measuring rectangular device can not be tested, also applies to equipment installation and inspection, the use of temperature (20 ± 5) ° C 
 Parallel square foot of cast iron of such material has been widely used in industrial production. Face Scraping or precision grinding process used to machine inspection and testing roughness and not straight degree two face with the block gauge, micrometer level and other equipment inspection 
 The word square foot http://www.bthxzw.com/GZPC.html 
 The Botou Navistar cast material measuring 
 Tel: 5664468 13373071795 
 Contact: Xin Yue