About products and suppliers
634 q beam products are offered for sale by suppliers on Alibaba.com, of which steel h-beams accounts for 13%, stage lights accounts for 1%, and projectors accounts for 1%.
A wide variety of q beam options are available to you, such as cutting, welding and punching.You can also choose from astm, jis and gb q beam,as well as from q235b, q235, and ss400 q beam,and whether q beam is non-alloy, or is alloy.