Dị ka onye na-emepụta akụrụngwa na-agbanwe agbanwe nke ntụkwasị obi, Ruijie na-enye azịza zuru oke - nkewa ndọta, nyocha, mbufe, ngwepịa, na akụrụngwa nhazi ike ndọda - ahaziri maka ịmegharị igwe igwe, ihe ọkụ ọkụ n'ala ash (IBA) nhazi, nrụpụta ihe mkpofu, na uru akụrụngwa iji kwalite nrụpụta nrụpụta gị.
A na-eji ngwá ọrụ nhazi ndọda mee ihe n'ọtụtụ ebe na mmepụta iji dozie ọla kọpa, ọlaọcha, tin, tungsten, tantalum, niobium, titanium, zirconium, isi ore na chromium placers.
Akara eji eme ihe Jig Machine nwere ike ịbụ mmiri, na mgbe a na-eji mmiri eme ihe dị ka nhazi nhazi, a na-akpọ ya hydraulic jigging.Our Jig Concentrators na-eji mmiri na-agbapụta mmiri, nke na-eme ka nkewa nkewa dị iche iche na ngwa ngwa.