packing:1000or500pcs/box,20boxes/carton
length: 6--30mm
diameter:3.0--5.0mm
material: aluminim&magnesium alloy+Q195
material: aluminim&magnesium alloy+Q195 diameter:3.0--5.0mm length: 6--30mm
Tianjin Huazhen Industrial & Trading Co., Ltd.
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