Lishenflex monga katswiri wopanga zitsulo zonyamula miyendo iwiri komanso wogulitsa ku China, ma slings onse a 2 adutsa miyeso ya certification yamakampani apadziko lonse lapansi, ndipo mutha kukhala otsimikizika kwathunthu kuti ndiabwino. Ngati simukupeza ma slings anu a Intent 2 chain chain slings pamndandanda wathu wazogulitsa, mutha kulumikizana nafe, titha kupereka makonda anu.