Ko te maitai piriti he mea tino whakamahia mo te hanga i te reriwe, i te huarahi nui ranei. Nangang piriti maitai ki te ahumahi auaha tere, arotahi i runga i te ahunga whanaketanga o te matomato, waro iti, te whakanui ake i te haumi i roto i te piriti maitai, i roto i te whakatupuranga hou o tiketike mahi piriti maitai rangahau me te whanaketanga me te tono, hua whakamohoatanga taputapu tere, kua hanga inaianei Q 345 Q-Q500q, te parenga huarere (tae atu ki te kore whakakikorua) raupapa piriti maitai (tae atu ki te hononga huarere, te rino whakapiri), Nga piriti me te kowiri tira hurihuri pereti hiato me etahi atu raupapa katoa, nga korero katoa, he maha nga waahanga o te kaha o te tuku puranga. Ko te piriti Nangang me nga kaupapa tono rino ko te Hutong Bridge, Pingtan Strait Bridge, New Bay Bridge i San Francisco, Zangmu Bridge Project, Meishan Railway Special Project, Lianzhen Railway Wushan Yangtze River Highway me Railway Bridge Project, Hangzhou-Shao-Tai Railway Jiaojiang Bridge, etc.
Ko te pereti maitai mo te hanganga piriti ka taea te whakaputa me te tuku i runga i nga paerewa e tika ana me nga whakaritenga hangarau o GB / T714, ASTM A709, JIS G3106, TB10002.2; me te hurihuri wera / te whakahaere i te hurihanga, te whakakorikori i te paoho, te hurihanga o te paoho, te whakarereketanga o te kounga, te TMCP / TMCP + te whakaheke. Ko te nui o te taumaha kotahi ka eke ki te 4 tone. Ko te hua he pai te mahi miihini me te mahi whakapiri, ka taea te whakatutuki i te hanganga o te piriti huarahi, te piriti tereina me te piriti tereina, ina koa mo te tono miihini piriti teitei-nui.