matched proportion of fine scrap and heavy scrap

branch pipe welded directly to the run pipe

copper pipe and aluminum pipe

Pipe in Pipe

pipe in pipe casing

vinyl pipe PVC pipe

welding part of copper pipe and low corbon steel pipe

a scrap of paper

acidulated scrap

Actual scrap lead recovery

air conveying system of scrap edge

alloy steel scrap

alloyed scrap

ALT scrap rate

Aluminum foil scrap

anode material scrap

anode scrap

baled scrap

blank scrap upgoing