G80 Load Chain 1. Grade:G80,G100 , 2.4 times ... link chain, proof coil chain, snow chains, chain block, lever block and electric hoist for more than 20 years; link ... breaking test 11.Calibration 12. Heat treatment 13. Proof load test 14. Black oxide, zinc plated and hot dip ... .productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Zinc-plated G80 Load Chain,hoist chain,lifting chain