Great Ocean Waterproof Co., Ltd. focuses on delivering high-performance waterproofing materials for every construction scenario. Our core product lines include: Thermoplastic Polyolefin (TPO) Waterproof Membranes – High durability, heat-weldable, ideal for exposed roofs and railway projects PVC Waterproof Membranes – Excellent flexibility and chemical resistance for tunnels and ba... https://great-ocean-waterproof.com/