Tooj liab yog ib qho ntawm thawj cov hlau pom thiab siv los ntawm tib neeg. Kwv yees li 10,000 xyoo dhau los, tib neeg tau lees paub lub ntuj tooj liab thiab muab nws rau hauv lub khob me me lossis rau tes. Txog tam sim no pom cov neeg ua kom zoo tshaj plaws ntawm tooj liab thaum thawb lub Iranian thaj chaw ntawm Tepe Haiya excavated scraper, chisel thiab awl, thiab lwm yam, muaj hnub nyoog txog 3800 BC Nyob rau hauv 1978 nyob rau hauv Gansu Province, Dongxiang Majiayao hom site unearthed Chemicalbook tin bronze riam, yog Txog tam sim no cov khoom tooj liab ntxov tshaj plaws nyob hauv Suav teb, thiab hnub nyoog ntawm nws txog 2750 BC, uas qhia tau tias Tuam Tshoj yog ib lub teb chaws ntxov tshaj plaws hauv ntiaj teb siv tooj liab. Bronze. Tuam Tshoj mastered thev naus laus zis ntawm ntsug furnace tooj liab refining thaum ntxov li 770 BC, thiab cov zis tooj liab mus txog 7300t nyob rau hauv thawj xyoo ntawm Yuanfeng ntawm Song Dynasty (1078), yog li cov tooj liab metallurgy thev naus laus zis tau mus txog qib siab.
Txawm koj xav taucov kav dej tooj liab, tooj liab rods ,tooj liab daim hlau, peb muaj cov khoom thiab kev txawj ntse kom tau raws li koj xav tau.
