We are the top manufacturer brand in flexible and semi-rigid PVC ducting for mine and tunnel ventilation from China. Our industry covers five major industries;: Base Fabric, PVC membrane, lamination, surface treatment, and finished ventilation duct manufacturing. Covers all the processes required for the production of composite materials and provides guarantee for customized designs for customers. Our business covers customer demand exploration, product development, product production, technical services, and provides customers with system solutions.