Welcome to CHISUN, a leading manufacturer of industrial valve products with over 20 years of experience. We specialize in knife gate valves, offering more than 2800 specifications across 15 different series to meet our customers’ specific needs. Our products are designed using the latest CAD design technology, produced in state-of-the-art R&D and testing. We are committed to developing new products and expanding into new fields to ensure that continue to provide our customers with the highest quality modern industrial valve products. Our commitment to excellence is reflected in our 120+ Crt.