div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: GOTECH€¦ · RACKET TWISTING STRENGTH TESTER QBT 2770 This machine is designed to determine the resistance of badminton racket and tennis racket to twist A racket is tested in src=https:reader037fdocumentsusreader037viewer2022090608605e9c42ba1c5d5bf7747eeahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv