What you need: 

a soul forge, regular forge, anvil, resource bag - all accessible without moving. 

Resource bag: Needs residue, amber, citrines, iron ingots, leather. 

Contents of any bag in main pack: Tinkertools, tongs, sewing kit. 

Skills Required: 

Blacksmithy 100+ (see below) 

Tailoring 62 

Tinkering 50+ 

Imbuing of at least 40 (buy from NPC) 

Skills can be less however, when crafting items, use talismans as needed to ensure items are exceptionally crafted. Jingasas that are not exceptionally crafted will now be smelted thanks to subs provided by Kaliofls. 

Also, arms lore was used for testing - so use arms lore to keep success chance at about 50%. Without arms lore, success chance will be slightly higher. 

You'll be crafting: 

40-70 - Leather caps 

70-120 - Heavy Platemail Jingasa