① Cov khoom siv zoo, ntseeg tau
Siv cov pa roj carbon zoo, txhim khu kev qha zoo, ruaj khov thiab ruaj khov, thiab ua haujlwm ntev
② Zoo toughness, muaj zog, tsis yooj yim tawg
Lub tshuab nqus hlau yog siv los txo qhov torsion thiab knotting ntawm cov hlau hlau
nyob rau hauv cov txheej txheem ntawm rub thiab rub, thiab txhim khu kev ua haujlwm ntawm cov hlau hlau
③ Tswj qhov zoo thiab yuav nrog kev ntseeg siab
Siv cov cuab yeej ntsuas kev tshaj lij los ua qhov kev sim nruj ntawm cov khoom kom ntseeg tau cov qauv khoom
④ Kev them nyiaj yug customization, ntau hom
Cov hlua hlau tuaj yeem ua los ntawm 1 * 7 7 * 7 1 * 19 7 * 19 qauv, thiab cov qauv sib txawv yuav muaj ntau qhov sib txawv.