Stainless Steel heavy duty patio door roller,Meet AAMA standard,SS304+SS420 bearing,3 inch diameter wheel,two ...
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Stainless Steel heavy duty patio door roller,Meet AAMA standard,SS304+SS420 bearing,3 inch diameter wheel,two wheels,use in seaside house over 800lbs door,10 years gurantee,existing mold,for heavy duty sliding door&window,high-quality,10000 cycle testing,20years experience OEM ,manufacture factory,45days delivery,also can produce as your print or sample,30days to make mold and samples.
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