Stair treads quality
requirements:（1）Stair
treads tolerance: treads length tolerance range [0 - (*3) mm],
treads width tolerance range [(*3mm)*3mm].
（2）Stair treads welding requirements: welded joints of the
former guard and wrapping with each load flat steel is not less
than 3mm weld
angle. Stair
treads models:According
to the Nosing and installation,stair treads is divided into eight
kinds of models： If
you need to consult the price, please contact the business
department by *-*:*@********************
website.
