Alaƙƙa na fayya daga Guangdong Junyou Steel Structure Co., Ltd suna da aikin wajen ƙarɓar kewayon, suna iya I, H, da C profiles don nuna daidaitan kewayon a gaban ko ƙasa. An ƙirƙira su daga Q235 zuwa Q690 fayya, suna da tsangayen ƙarɓar 375-700MPa, kuma suna iya kirkiran ƙasa zuwa 15m a cikin gida-gida da 30m a cikin wasu masana'antu. Masu ƙarin farko: - I-beams: Kasa mai kara, amfani da su a cikin floors/roofs (100-600mm ɗaya). - H-beams: Mai ƙarƙata, don kewayon/guguna (girman girman 100-600mm). - C-beams: Mai amfani, don purlins/racking (80-300mm ɗaya). Ayyukan ƙirƙira—zinc plating ko powder coating—sun tsara ruwa, wanda ke iya kara a cikin yankuna mai ruwa ko kasa na gaban. Wannan alaƙƙa na iya haɗa da kirkiran mai kira (don saukin kara) ko ƙirƙira (don kewayon). A cikin yankuna mai gaban, an haɗa su da wasu alaƙƙa don karɓar kewayon. Suna da shaida zuwa GB/T 11263 da ASTM A992, suna amfani da su a cikin ayyukan daga cikin wasu gida-gida zuwa gida-gidan da ƙarfi mai kara da kewayon.