We are the leading & specialized manufacture of Transmission Line Stringing Equipments & Tools in China.We could manufacture variety of cable stringing pulley block/ stringing blocks/conductor pulley block/MC nylon pulley block/tackle professionally. Product:stringing pulley blocks;stringing blocks.Usage:Protect the cable and conductor from fricting when they are laying.They can save time and effort.Description:a.We manufacture a lot of models for different uses in the overhead transmission line construction.b.They have are used to support conductors,OPGW,ADSS, communicatio lines.We have the 1,3,5,7 sheaves,nd the diameter is 508mm,660mm,820mm,916mm.c.The sheave of the pulley blocks are made from higth strength MC nylon,or aluminum materials ,and the frame of blocks are made of galvanized steel.The lateral ones are mounted on ball bearings.Remarks:All kinds of pulley blocks can be manufactured according to the customers's requirements. If any interested,please feel free to contact with us for more information,and we will try our best to comply with your requirements.