1, Khoom siv yog 304 stainless hlau nrog zoo.
2, Lub taub hau yog ntse txaus tsis muaj barb thaum siv.
3, Luer taper tsim ntawm rab koob txaj kom nruj sealing tsis muaj to.
4, Siv rau txhua hom koob txhaj tshuaj thiab tuaj yeem rov siv tau tom qab tshuaj tua kab mob.