Invention Patent Certificate

Method for manufacturing anti-tampering date packaging bags

Txoj kev tsim los tiv thaiv -tampering hnub ntim hnab

An environmentally friendly reusable》delivery bag

Ib puag ncig tus phooj ywg reusable nthuav qhia lub hnab

An environmentally friendly volume-reducing bag pressing machine

Ib puag ncig tus phooj ywg, ntim-txo lub hnab ntim tshuab

An environmentally friendly high-efficiency rotatable oven for water-based inks

Ib puag ncig tus phooj ywg, siab -efficiency, rotatable cub rau dej-raws li inks

A lightweight multi-purpose air column shopping bag

Ib lub teeb yuag, ntau - lub hom phiaj huab cua kem khw

A type of plastic drawstring garbage bag

Ib hom yas drawstring khib nyiab hnab

A corona roller for printing plastic film

Ib tug corona roller rau luam ntawv yas zaj duab xis

A small core automatic winding machine

Lub tshuab me me tsis siv neeg winding tshuab

Tso Ib Lus