Brand: Jiafeng ram form: customer service consulting specification: customer service consulting, customer service consulting 1 valve rod form: customer service consulting sealing mode: customer service consulting flow direction: customer service consulting temperature environment: customer service consulting function mode: customer service consulting function function function: customer service consulting whether elastic ram: customer service consulting sealing material: customer service consulting lining material: customer service consulting pressure environment: customer service consulting driving mode: motor, sprocket, Number of manual rams: customer service consulting