... ?(1), Ability for the material of this kind of thread bar: Grade3.6,4.6,4.8,5.6,6.8 ... ,C3450,C27200,etcBronzeC51900,C60600,C17200,etcAlumimum100,5052,6061,6063,etc(2),Ability for the surface finish: ElectroplateZinc plated(while,colour,dacroment ... . 4,How aout the delivery?(1),Delivery port:ShangHai/NingBo(2),Delivery way to avoid the anti-dumping5,Why should you ...