IHandan Chang Lan Fastener Manufacturing Co., Ltd. eyayisakuba ngumzi-mveliso we-Yongnian Tiexi Changhe factory yayingumvelisi omkhulu we-fastener kwiSithili saseYongnian. Le nkampani ikwiziko lokusasaza i-fastener eliqhelekileyo laseHebei Yongnian, eligubungela indawo ye-3,050 square metres, yayikufutshane nezibuko laseTianjin Port kunye neQingdao, ukuthumela ngaphandle kuqinisekisiwe kakhulu. Le nkampani inomatshini we-cold heading onee-position ezininzi, imodeli ye-12b, 14b, 16b, 24b, 30b, 33b; inomatshini we-hot forging, imodeli ineetoni ezingama-200, iitoni ezingama-280, iitoni ezingama-500, iitoni ezingama-800;