I-Lishenflex njengezintambo ezimfushane ze-ratchet zomkhiqizi nomphakeli wezithuthuthu e-China, zonke izintambo ezimfishane zesithuthuthu zidlule izindinganiso zokuqinisekiswa kwemboni yamazwe ngamazwe, futhi ungaqiniseka ngokuphelele ngekhwalithi. Uma ungazitholi eyakho ibhande le-ratchet elifushane lenhloso yesithuthuthu ohlwini lwethu lomkhiqizo, ungaphinda usithinte, singahlinzeka ngezinsizakalo ezenziwe ngokwezifiso.