Na ngwa ngwa mmepe nke China mba aku na uba, China ike, ọkụ eletrik, metallurgy, ụlọ ihe, ọnụ na ụlọ ọrụ ndị ọzọ nwekwara a nnukwu ohere maka mmepe, na conveyor belt ngwaahịa na mmepe nke ndị a ụlọ ọrụ nwere njikọ chiri anya, kamakwa na mmepe nke akụ na ụba mba Iji ọrụ dị oke egwu.Na mba ụwa ahịa gburugburu, Chinese roba ụlọ ọrụ ebu belt ụlọ ọrụ na-eche ihu ọhụrụ gburugburu ebe obibi, otu esi nọgide na-enwe ezi oge nke na-aga n'ihu mmepe, ọzọ na ndị ọzọ anya si ụlọ ọrụ.

Ntufe eriri bụ ngwaahịa ụlọ ọrụ rọba nke abụọ kachasị na taya taya.A na-ejikarị ya eme njem nke ihe dị na coal, wharf, metallurgy, ụlọ ọrụ igwe na ụlọ nkwakọba ihe.Ogo ngwaahịa ya, nkọwapụta dị iche iche na ngwa ngwa, ruo n'ókè ụfọdụ, akara akụ na ụba mba na ọkwa mmepe nke teknụzụ.

Site na nrụgide na-arịwanye elu na ihe onwunwe na gburugburu ebe obibi, ihe mmepụta ụlọ na ọnụ ahịa ihe onwunwe ga-anọgide na-egosi ọganihu elu.Ọ bụrụ na ahịrị mbufe nke kilomita 2.5, dịka ọmụmaatụ, ogologo eriri eriri ahụ dị kilomita 5, eriri eriri na-ebufe eriri ike dị elu karịa nkezi ịdị arọ nke eriri ebufe nkịtị ga-ebelata ihe fọrọ nke nta ka ọ bụrụ tọn 200, gbakwunyere eriri ebufe eriri dị elu. Njikọ arụmọrụ nke 100% ma ọ bụ karịa, ọrụ ebufe eriri nkịtị nke ihe dịka 65%, nke na-echekwa ike, enwere ike ịhụ ihe n'ebe ahụ.

Ebe ọ bụ na 1987, dabere na State Administration of Work Safety na coal mine ebu belt ngwaahịa na mmejuputa iwu ụkpụrụ nchekwa, etolitela n'usoro na coal mi nchekwa mmepụta MT147 ọkọlọtọ ire ere retardant eriri ebu eriri ngwaahịa na nwere elu chọrọ MT668 Standard. eriri ọkụ na-ebufe eriri ọkụ na-ere ọkụ, n'ime ọkụ retardant, mgbochi static, esemokwu rola, ọkụ propane na arụmọrụ nchekwa ndị ọzọ iji gboo mkpa nke nrụpụta nchekwa nchekwa coal.Kedu eriri ọkụ retardant nke MT668 bụ nke anyị mepụtara, dị mma karịa United States, Germany, Japan na mba ndị ọzọ nke ọkọlọtọ, eriri ọkụ ọkụ ọkụ China MT668 fọrọ nke nta ka ọ nọrọ n'ahịa ụlọ.1998 nnwere onwe nnyocha na mmepe kwekọrọ na ojiji nke coal m MT669 ọkọlọtọ waya traction ebu eriri, kpụrụ roba isii otu nchekwa ngwaahịa atọ ogidi, kamakwa anụ ụlọ ego na mmepe nke nchekwa ire retardant ebu eriri mbụ, kasị ibu mmepụta. , ekpuchi kasị ibu coal mmepụta ụlọ ọrụ The N'ime gara aga afọ ise, naanị coal ụlọ ọrụ ahịa ngụkọta 700 nde yuan.