Lub teb chaws kev txawj ntse thoob ntiaj teb txwv, yog lub Hoobkas tshwj xeeb calcium carbide uas nyob rau hauv mongolia sab hauv ntawm Tuam Tshoj.Peb tsim nyob rau hauv 2004 thiab muaj peev xwm muab tag nrho cov loj los ntawm:0-2mm,2-4mm,7-15mm ,15-25mm,25-50mm,50-80mm,70-100mm,80-120mm. Feem ntau cov pob yog 50kg thiab 100kg tshiab hlau nruas, tab sis qee zaum peb ues pob tshwj xeeb raws li tus neeg yuav tsum tau muaj, xws li 25kg thiab 5kg hnab ces mus rau hauv 250kg tshiab hlau nruas.Our cov khoom yog dav muag rau sab qab teb ntawm Asia [India, Thaib teb, Singapore, Indonesia, Philippine, Malaysia thiab hais txog], Middle East [AUE, Pakistan, Syria, Iran, Yemen, Oman] thiab ntau lub tebchaws Africa.
Coj cov neeg siv khoom raws li peb lub luag haujlwm thawj zaug thiab tuav lub hauv paus ntsiab lus ntawm "Passion, Zoo, Txaus siab thiab tus nqi".To tsim cov khoom zoo ntawm peb cov khoom, kev pabcuam thiab hom nrog peb lub siab nyiam; kom ua tau raws li cov neeg siv khoom xav tau nrog peb cov khoom zoo. tias peb cov khoom thiab cov kev pabcuam tuaj yeem yog qhov zoo tshaj plaws kom peb cov neeg siv khoom tuaj yeem sib tw hauv lawv lub khw thiab thiaj li tau txais txiaj ntsig zoo.
Peb zoo siab tos txais txhua tus phooj ywg thiab cov koom tes ua lag luam los ntawm thoob plaws lub ntiaj teb los tsim kev lag luam kev sib raug zoo-nkoj nrog peb.
