... .20 years 4 ways butterfly type, tri-glide for handbags,bag buckle,DS521#B(1+3/4") ---Company profile: Dragon ... , Oscillation test, Tension test ---Package & Delivery:· Package:Poly bag + fiber bag/carton,or as your requirement.· Delivery Time:7-15 working ... department,8 factory buildings,2 large warehouses,several assembly lines,computer gone,sparking machie,driller,lathe,milling machine and over 50 ...