Professional Sewing Warp Knitting Beam Main sizes:14" x 21", 21" x 21", 30" x 21", 40" x 21". Besides, we also produce 21" x 42", 30" x 42", 40" x 42", 42" x 21", and we can produce specific beams as per your specific requirements. Our primary competitive advantages: Flange : Made of high strength aluminum alloy and manufactured by casting, it has excellent rigidity and durability Barrel : Made of high strength aluminum alloy and manufactured by centrifugal casting, it has high strength and precision Welding : Welded by automatic Argon welding machine, has good precision and strength Because of dynamic balancing function, a good compatibility with weaving machinery is maintained even through high-speed rotation. Through hard anodizing coating treatment, corrosion and surface scratching are entirely prevented. Production Capacity, 800pcs/day. Competitive price and professional service For normal use, we offer one year warranty. Product Descripti…