Professional Brass & Industrial Valve Manufacturer – Coliter®
Since 2016, Zhejiang Haoji Fluid Technology Co., Ltd. (Coliter®) has been a leading Chinese manufacturer of high-quality brass valves, hydraulic control valves, and thermostatic mixing valves (TMVs). As a drafting unit of 6+ Chinese national standards—including GB/T 12237 and GB/T 12238—we combine engineering expertise with rigorous quality control to deliver reliable fluid solutions worldwide. Our products are certified to WRAS (UK), ACS (France), CE, and ISO 9001:2015, ensuring compliance for potable water, HVAC, gas safety, and municipal applications. With OEM/ODM capabilities and coverage in 80+ countries across Europe, North America, and Southeast Asia, Coliter® is backed by China Ping An Insurance for added peace of mind. We are committed to innovation, sustainability, and partnership—helping global engineers and distributors build safer, smarter fluid systems.