Handan Chang Lan Fastener Manufacturing Co., Ltd. eo pele e neng e le fektheri ea li-fastener ea Yongnian Tiexi Changhe e ne e le moetsi oa li-fastener tse tloaelehileng Seterekeng sa Yongnian. Khamphani e setsing sa kabo ea li-fastener tse tloaelehileng sa Hebei Yongnian, se koahelang sebaka sa limithara tse lisekoere tse 3,050, se ne se le haufi le likou tsa Tianjin le Qingdao, ho romelloa kantle ho naha hoa khoneha haholo. Khamphani e na le mochini oa ho lokisa li-cold heading o nang le maemo a mangata, mohlala oa 12b, 14b, 16b, 24b, 30b, 33b; e na le mochini oa ho betla o chesang, mohlala o na le lithane tse 200, lithane tse 280, lithane tse 500, lithane tse 800;