... assembly 3.ISO Quality Control types of racking in warehouse Description and Features:1>Locked by butterfly ... ,FactoryUseMaterial flow,electrical mechanic,aviation,electronics,machinery,automobile,post,railway,food,petrification,supermarket,finance and so on. ... method : Upright frame, beam , support board separated in box. PortShenzhen,guangzhou,chinaPaymentL/C,T/T,Westerm Union, ...