more than 20 years experience good quality and competitive price pulley code numbersteel Rope Diameterd(mm)Main Dimension(mm)RecommendatoryFor ReferenceWeight ForReference(Kg)DD1RbWfD2D3B WS6201>37-431000112622104821216018812842232206WS62021702021364224213WS620318021213642236220WS620419022514242238226WS7201>43-501250140226123981419022514842238393.8WS720220023515442240393.8WS720322026016842244424. ...