CH Machinery Equipment (SH) Co., Ltd. is a Shanghai-based supplier specializing in industrial valves and flow control solutions. Under the COVALVE brand, the company provides gate valves, globe valves, check valves, ball valves, butterfly valves and other valve products for oil and gas, petrochemical, power generation, water treatment and general industrial applications.
Our products are available in a wide range of sizes, pressure classes, materials, connection types and operation methods. We also support OEM services and customized production according to customer drawings, technical specifications and project requirements.
CH Machinery Equipment (SH) Co., Ltd. is committed to providing reliable valve products, responsive service and practical flow control solutions for customers, distributors and engineering companies worldwide.