Wenzhou Jiana Hardware Machinery Co., Ltd is a technology-driven valve manufacturer that integrates design, research and development, manufacturing, and sales services. Our product line includes flanged ball valves, gate valves, globe valves, filters, check valves, threaded ball valves, quick-connect fittings, sanitary valves and fittings, and electric valves. Since our inception, we have been committed to continuous technological innovation and the development of new products. Our products are manufactured in accordance with international standards such as AP1, ANS, JIS, ISO, BS, as well as domestic standards like JB and GB. We possess advanced equipment for forging, die-casting, machining, welding, and assembly, and have established a CAD valve design and quality testing center to effectively enhance product quality and ensure the best interests of our customers are met