Drainage Sumps Jiangsu Polycon was founded in 2006, has 12 years the production experience of polymer concrete drainage solutions. We supply drainage system, including design, production, transport, good service. Product Function: Sump boxes are cast 1pc.
hot Vinyl PP silicone seal About Us FAQ Q: What is the advantage of your products? A: Stable quality, on-time delivery, competitive factory price, honest service. Q: Are you trading company or manufacturer? A: We are a factory with 18-year experience. Q: