Made of quality material, reasonable structure, nice modeling, safe operation, small noise, easy repair, suitable for bulk production for small parts and the demand of various kinds of plating, high productivity, uniform plated layer and good quality. It features below: Greatly enhanced productivity,stable and good performance. There are an integral-line shaft-connected and single-machine connected actuation structures set with the actuator. The roller can be made of PP, PVC board material or cast material, the hole diameter covers 1-5mm. The ordinary lifting load of the crane up to 100kg The ordinary speed of the roller 5-7rpm Both automatic and manual material feeding and discharging can meet with the requirement.