Welding positioner is mainly used to placed the work piece in the best position for welding and assembling with the work bench elevating, turning, tilting ,its series includes tilting, head and tail stocks ,elevating ,and double turning positioner. The positioner can be supplied for interfacing with robot or welding manipulators ,to realize the welding automation. At the same time we can design and customize various type of special positioner according to the technological requirement and different work piece given by the customer.