supply of copper liner having conical round holes of 0.55 mm diaand 650holes/inch2 consisting 4 segment suitable for 38”x49” nhec make s.d. machine of21 swg , (i) brass supporting liner for 38”x49” nhec make s.d. machine size 4meshx160lengthx38”width16swg , (ii) brass supporting liner for 38”x49” nhec make s.d. machine size 7meshx160lengthx38”width16swg , (i) 2 mesh x 14 swg x 5’ width (s.s.material) , (ii) 6 mesh x 16 swg x 4’ width (s.s.material) , (iii) 6 mesh x 16 swg x 5’ width (s.s.material) , (iv) 12 mesh x 18 swg x 4’ width (s.s.material) , (v) 12 mesh x 18 swg x 5’ width (s.s.material) , (vi) 14 mesh x 18 swg x 4’ width (s.s.material) , 14 mesh x 14 swg x 5’ width (s.s.material) , 16 mesh x 20 swg x 4’ width (s.s.material) , 16 mesh x 20 swg x 5’ width (s.s.material) , 18 mesh x 20 swg x 4’ width (s.s.material) , 18 mesh x 20 swg x 5’ width (s.s.material) , expended metal one square inch size 9 swg netting 5’ width burfi jali , brass perforated liner for thyssen krupp make k.b.-1750 kg/charge flat bottom centrifugal machine having round hole , size 1115 mm height x 2515 mm length x 0.55 thickness each set of two segment 16swg