Cannons and even Martini Henry rifles, ammo and bayonets were all copied ..There was a huge factory at
Jangalak...and that is what is stamped on the MH below which employed over 8,000 men next to Ayub Khan Mena and it is said that this was the M.H. production centre...anyway it was part of the National Factories Industrial Revolution under the flag Mashin Khana.
See
http://www.old-smithy.info/bayonets/...and%201903.htm for more evidence of bayonet production in Afghanistan...about 1888.