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5 stars all the way! As a building material supplier, we’ve been working with WAYEN’s WF-200 waterproof coating for months, and it’s been a game-changer for our business. First, the factory price is unbeatable—only USD1.8/kg, which helps us keep our profit margins high. The supply ability is amazing too, 60 tons per day, so we never worry about stock shortages. MOQ of 100KG is reasonable for small to medium orders, perfect for our clients. The product itself is top-notch. It’s water-based, non-toxic, no strong odor, so our clients love it for both new and old roof projects. Self-brushing design saves labor costs, dries fast, and the waterproof effect is solid—no leaks even after heavy rain. Adhesion is great on concrete, metal and asphalt, and it’s durable, lasting over 10 years. Packaging is sturdy, shelf life is reliable. The team at WAYEN is responsive, and payment terms are flexible. Highly recommend for B2B partners—we’ll keep ordering!