1, shackles yuav tsum du thiab du, tsis txhob cia cov kab nrib pleb thiab lwm yam tsis xws luag, ntse npoo, hlawv.

2, txwv tsis pub siv cov cam khwb cia hlau lossis cam khwb cia hlau yoke. Buckle tuaj yeem siv steel forgings, forging tom qab ua tiav ntawm tus pin ncej.

3, yuav tsum tsis txhob raug khi los ntawm kev drilling lossis vuam kho. Khawm thiab rab koob yuav tsum tsis tuaj yeem kho qhov deformation mus tas li.

4, thaum siv, yuav tsum xyuas cov buckle thiab latch, tab sis hnav ntau dhau, deformation thiab qaug zog tawg.

5, rab koob yuav tsum tau muab tso rau thaum kab rov tav yuav tsum tau siv.

6, kev txhim kho kom raug, buckle dav axis yuav tsum tsis txhob txo lub cev, cov xov txuas zoo heev.

7, kev siv tsis ntau tshaj qhov kev nyab xeeb ntawm tus quab