Ku munsi w'ejo, icyambu cya Qingdao cyari cyuzuyemo ibikorwa nk'itsinda ry'ibibaho byabugenewe bya ceramic fibre biva muri Rosewool Insulation Refractory Co., Ltd. byapakiwe neza muri kontineri hanyuma byoherezwa mubikorwa byingenzi byinganda muri Vietnam. Nkuruganda rukomeye rufite uburambe bwimyaka irenga 40 muruganda, uku gutanga imipaka ntigaragaza gusa ireme ryibanze ryibicuruzwa byikigo, ahubwo binashimangira ubushobozi bwa serivise ikuze murwego rwose kuva mubushakashatsi niterambere, umusaruro kugeza kubitangwa, biba igipimo cyiza cyo gushora imishinga mumahanga hamwe nubufatanye bwibikoresho byangiritse. ?

Ububiko bw'ubwoya bwamabuye bukoreshwa cyane nkibikoresho byo kugenzura mumiterere minini yicyuma bitewe nibikorwa byiza byo kwishyuza no kubiranga umuriro.