Hal qayb oo ka mid ah Dashan FASTENER CO., LTD.WAA KOOXDA WAX-soo-saarka WEYN, kaas oo leh aqoon-is-weydaarsiyo-wax-soo-saar badan.Maaddadu waxay soo saari kartaa alaabada birta kaarboon ee caadiga ah ama alaabada birta ah.Alaabooyinka taxanaha barroosinka ah waxaa ka mid ah gecko dayactirka baabuurta, boolal kiimiko ah, boolal ballaarinta, boolal implosion iyo wixii la mid ah.Wax soo saarka shirkadda iyo China Construction Group, China Railway Group, China Metallurgical Group, China Communications Group, China Coal Group ayaa fuliyay iskaashi qoto dheer.