... -friendly and certificate 3.20 years 4 ways butterfly type, tri-glide for handbags,bag buckle,DS521#B(1+3/4") ---Company ... more than 20 years' history.2>Occupy over 20,000 square meter of factory building.3>We are the supplier of ... production department,8 factory buildings,2 large warehouses,several assembly lines,computer gone,sparking machie,driller,lathe,milling machine and over ...