Jinhua Xinmao Machinery Factory Product List 21" X 21" Beam for Karl Mayer / Liba Machine 21" X 21" Sectional Beams for Tricot and Raschel Knitting M/C (21x21) 21" X 21" Tricot & Raschel Beam (2121) 21" X 21" Tricot Beam (2121) 21" X 21" Aluminum Beam for Warp Knitting Machine (2121) Aluminum Beam for Warp Knitting Machine (21X21)