CHLG.CHLG was established in 2005 as a joint-stock group enterprise headquartered in Wenzhou, Zhejiang, with multiple large-scale production bases. After over three decades of development, it has evolved into a comprehensive valve manufacturer integrating design, R&D, manufacturing, and sales. The company possesses robust capabilities, employing over a thousand staff and utilizing advanced CNC machining and automated production equipment. Its extensive product portfolio encompasses over ten categories and hundreds of varieties of specialty and general-purpose valves, holding numerous international certifications including TS, ISO, API, and CE. CHLG's products are widely applied in critical industrial sectors such as petroleum, natural gas, chemical processing, power generation, and environmental protection. Leveraging a robust R&D team and a comprehensive Quality, Environmental, and Occupational Health & Safety Management System, the company delivers high-quality valve products and solutions to global customers.