Handan Chang Lan Fastener Manufacturing Co., Ltd. tsohon Yongnian Tiexi Changhe fastener factory ya kasance babban-sikelin misali fastener manufacturer a Yongnian District.Kamfanin yana a daidaitaccen cibiyar rarraba kayan aikin Hebei Yongnian, wanda ke da fadin murabba'in murabba'in mita 3,050, yana kusa da tashar jiragen ruwa na Tianjin da tashar jiragen ruwa na Qingdao.Kamfanin yana da Multi matsayi sanyi inji inji, model 12b, 14b, 16b, 24b, 30b, 33b;yana da injin ƙirƙira mai zafi, ƙirar tana da tan 200, ton 280, ton 500, tan 800;