We are Trion based in Nanjing, China. We are member of TradeKey.com since April, 2018. Our business is related to Transportation industry and we specifically deal in Shanghai Trion Industial Co ,Ltd. Please find our product details below: Pneumatic outswig Sliding Bus Door Mechanism Application: tour bus, intercity bus, coach. System Component: Rotary actuator, Shaft assembly and Door panel assembly. Electric folding bus door Pump this operator is an open-close drive mechanism for bus bi-fold doors, which we introduce and improve the Japanese technology. It is widely used for the city bus and mini-bus that have no air resource Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.