... support system,got Russia,USA,Australia FRAS,CE,ISO9001,GOST R certificate.Mine Grid Basic Info:Mine Grid are manufactured from ... standard tensile strengths of between 20 kN/m and 800 kN/m. Ultimate strengths over 1000 kN/m can be supplied for special applications ... ,600-400kN,600-600kN,800-800kN,1000-1000kN/m.All Products can design to product and customized.Mine Grid Applications: Mine Grid for ...