Igisubizo cyuzuye gitanga mubijyanye na tunnel injeniyeri Chongqing Dunrui Technology Co., Ltd. Inzobere muri R&D, kugurisha na serivisi za tekiniki zibice byingenzi nkibikoresho byo gukata TBM, ibikoresho byo gukata ibikoresho, amabuye y'agaciro, imyitozo, nibindi. kubikoresho byubwubatsi. Ishingiye mu majyepfo y'uburengerazuba no gukorera isoko ry'isi, itanga kwizerwa cyane no mubuzima burebure bwo gukata ibikoresho byo gukemura imishinga nka tunel, gari ya moshi, Kubungabunga amazi, gucukura amabuye y'agaciro, hamwe na galeries yuzuye. Kwishingikiriza ku musaruro wenyine wa Shandong Xinruishanhe Engineering Equipment Co., Ltd., Uruganda ruherereye i Liaocheng, Intara ya Shandong, rufite ubuso bwa metero kare zirenga 20.000. Hari amahugurwa menshi yo gutunganya hamwe nibikorwa nko guhimba, imashini, kuvura ubushyuhe, felding, na laboratoire yumubiri na chimique. Ifite ibikoresho birenga 100 by'imashini hamwe n'ibikoresho birenga 10 by'ibikoresho byo kuvura ubushyuhe. Hamwe nibikoresho byabigize umwuga hamwe nabakozi bafite ubuhanga, isosiyete ifite patenti zirenga 100 zijyanye nikoranabuhanga rya TBM. Byongeye kandi, ikomeza itsinda rya serivisi yabigenewe nyuma yo kugurisha ishoboye gukemura ibibazo bya tekiniki kumurongo no kurubuga mumasaha 12, yiyemeje gutanga umwuga, witonze, no gushyigikira byuzuye mugihe cyubuzima bwose.