Wenzhou Zhiyu Import & Export Co., Ltd. is a high-tech company which professionally designs, develops and produces pneumatic actuators and valves. Zhiyu has strict quality control system and complies with ISO9001:2008 standard. We can meet or exceed clients' requirements. We believe in the tenet of "youthful power and creativity; reliable quality and service". Our products are widely applied in various industrial fields, like paper making, chemical fiber, petroleum, electric power, metallurgy, chemical, environmental protection, light industry, pharmacy and building automation.