　　Mesonlan is one of the industry leaders in designing, manufacturing and supporting final process control factors and solutions. It is the main part of Dreiser Group, providing valve products of different scope for different stages of the energy industry. These industries include aerospace, chemistry, petroleum and natural gas, petrochemical, electric power, paper making and refining. For more than a century, Messonland has been a pioneer in the valve and process control industry. It was originally founded in 1882 by a young inventor named William Mason. With the continuous improvement of technology and service level, Mesonlan has continuously proved its position as a technological leader in the industry and the development and progress of innovative ideas and solutions. Mesoniland offers a wide range of products, including both general and demanding service requirements of control valves, actuators, pressure regulators and professional instruments. These wide range of products enable Mesonlan to provide different professional services to customers as a single global supplier. In addition, Messolan provides overall valve management (TVM) for Dreiser, which combines its products and services with those of other Dreiser business units, providing customers with all valves and related management procedures for control valves and application instruments, safety valves/relief valves, on-off valves and actuators.

MASONEILAN 171series