FAQ

GB / T972-2008 Rolling board
JB / T10231.22-2006 Tool product testing method 22 Roll plate
SJ / T31036-1994 automatic cold forging machine, automatic trimming machine, automatic thread rolling machine intact requirements and inspection and evaluation me[...]

Cold heading machine is a machine in the manufacture of a stamping machine, the original material without any changes, mainly softening or hardening and other[...]

March 12, 2013, Dongguan Dalang Yang Wu management area flowers, drums loud noise, filled with festive atmosphere everywhere, Dongguan Jinqi Hardware Machinery 13[...]