Galvanized Cchannel steel ezigbo mma structural c purlin maka ọrịre

GalvanizedcsteelA na-eji ngwa ngwa maka nkwado nhazi n'ime ụlọ. Ọtụtụ mgbegalvanized c ọwapurlins bụ isi akụkụ nke ihe owuwu ụlọ. A na-akwado purlins nke ụlọ ma ọ bụ site na rafters ma ọ bụ mgbidi ụlọ ma tinyekwa elu ụlọ n'elu purlins.