manufacturing   | 
                      outline  | 
                      efficiency %  | 
                      reference  | 
                    
                    
                      Plastic cast (first irrigation) fixed  | 
                       | 
                      100  | 
                      Inject with alloy or a special resin  | 
                    
                    
                      Cables folder fixed  | 
                       | 
                      80~85  | 
                      if necessary, to increase the rope clip, improper processing, efficiency is low than 50%  | 
                    
                    
                      Wedge-shaped casing fixed  | 
                       | 
                      65~70  | 
                      improper processing, efficiency is low than 50%  | 
                    
                    
                      Hand-made hanging eye  | 
                       | 
                      75~95  | 
                      15mm efficiency low -95% 
                        16mm~26mm efficiency -85% 
                        28mm~38mm efficiency -80% 
                      39mm efficiency above -75%  | 
                    
                    
                      Press-type casing (first)  | 
                       | 
                      100  | 
                      Insert the cables together to suppress. (In the correct method to suppress) 
                       | 
                    
                    
                      Casing to press  | 
                       | 
                      90~95  | 
                      Suppress with Aluminum, Iron, Copper and Stainless steel.  |