We produce railfastening, main products as follows: E1600series : 60si2mn 60si2cr;hardness 44-487hrc, toe load, 500-700kgf; E1800series : 60si2mn 60si2cr;hardness 44-487hrc, toe load, 800-1000kgf; fatigue life 5million cycles; E200series : 60si2mn 60si2cr, 55si7;hardness 44-487hrc, toe load, 1100-1400kgf; fatigue life 5million cycles; Type iii : 60si2mn;hardness 44-487hrc, toe load, 1100-1400kgf; fatigue life 5million cycles; Wseries: Skl1series : 60si2cr, 38si7, hrc 42-47, clamping force 2x10kn, fatigue life 5 millions cycles; Skl3series : 60si2cr, 38si7, hrc 42-47, clamping force 2x10kn, fatigue life 5 millions cycles; Skl12series : 60si2cr, 38si7, hrc 42-47, clamping force 2x10kn, fatigue life 5 millions cycles; Skl14series : 60si2cr, 38si7, hrc 42-47, clamping force 2x10kn, fatigue life 5 millions cycles; Gb/tb, astm, 65lbs/bag;1625lbs/pallet, size:1020mmx840mm.