Tianjin Yuantai Derun Gulu lalikulu ndi amakona anayi welded zitsulo mapaipi anapatsidwa AAAAA mankhwala chitsimikizo ndi Institute of Metallurgiska Viwanda Planning.

Malinga ndi zofunikira zenizeni za "kutsimikizirani" kwa mipope lalikulu ndi amakona anayi welded ndi zolinga structural, lalikulu ndi amakona anayi mipope zitsulo pazambiri structural zolinga, muyezo bwinobwino amaona kusasinthasintha khalidwe, ndemanga khalidwe, chitsimikizo mankhwala, mphoto aulemu pa mlingo mankhwala. , luso lotsimikizira zamabizinesi, luso lazopanga zatsopano, kukhulupirika kwabizinesi, mulingo wautumiki, mulingo wodziwitsa ndi zina. zamkati. Kukhazikika pa kufala kwa luso lotsimikizika lazinthu zamabizinesi ndi mtengo wamtundu wazinthu, kukulitsa miyeso yasayansi, yololera, yotsogola komanso yogwiritsira ntchito, imapereka maziko a sitepe yotsatira ya chitoliro chopangidwa ndi chitsulo, chitoliro chonse chozizira kapena chotentha chopiringizika chotenthetsera chitoliro chotsimikizika. certification brand, kulima ndi kumanga zitsulo zopangidwa "assured brand".