inogara kuYantai, guta rakanaka rechiteshi chengarava, rine nhoroondo yemakore makumi mana pakugadzirwa kwemichina yekugadzira matanda, ine simba guru rehunyanzvi, nzira dzekuona dzakakwana uye maitiro epamusoro uye michina, inopihwa chitupa che ISO9001 uye TUV CE uye ine kodzero dzekuzvibata wega. kupinza uye kutumira kunze kwenyika.Iye zvino, kambani iyi inhengo yeChina National Forestry Machinery Association, inhengo yeSubcommittee for Structural Timber muNational Technical Committee 41 paTimber of Standardization Administration yeChina, mutevedzeri wasachigaro weShandong Furniture Association, chikamu chemuenzaniso cheChina. Chikwereti Enterprise Certification System uye Hi-tech bhizinesi.