Drop Forged Coupler Weight:1.05kgs conform to:prEN-74-1:2002 EN-74-B Grade Cruciform and rotational stiffness test is certificated by European Authority.

droped forging swivel coupler  conform to prEN-74-C:2002 QUALITY:EN-74-B Grade

England Style Droped right angle coupler 48/48 Conform to:pr EN-74-C:2002 Quality:EN-74-B Grade

热锻重型悬挂，符合标准:prEN74-C;2002 Quality:EN74-B Grade

Girder Gravlock Clamp Conform to:prEN474-C:2002 Quality:EN74-B Grade