Jiashan Beiouli Metal Products Co., Ltd. was established in 2018 and is headquartered in Zhejiang, China. We are a modern metal products enterprise that integrates research and development, production, sales, and service. We mainly produce various TDC corner codes, TDF corner codes, flange hook codes and other HVAC system ventilation duct accessories.The product is widely used in fields such as construction and real estate, HVAC systems, ventilation duct systems, environmental protection, and fire protection.