... 3.2 times deformation testing 4.Small volume,carring a big weight US Type Screw Pin D Shackle G2101.According to the ... production standar are generally classified into US type, JIS ,GB. US standar of small volume ,carring a big weight are widely used.2 ... to customer want, anxious clients urgency,services for customers saitisfaiction . US Type Screw Pin D Shackle G210