Our company can custom-design non-standard valves and electromechanical open-type air doors, and also produce typical design manuals for regulating damper damper doors for flue gas, furnace damper doors, de-flue gas damper doors, regenerator air inlet vents for bag chambers, air seals doors for adsorption vessels, damper adjustments air doors, hinged shaft protection covers for adsorption tower air seals, air sealing doors for baghouse air sealing, electromechanical damper doors for rotary tilt swivel, electric sliding-type damper doors, manual turbo-driven tilt swivel, electric sliding-type damper doors for accordion doors, RTO inlet fresh air doors, electric sliding-type damper doors for electric blades, and various types of high-pressure hoses.