... be customized!! Envelop/opaque envelopes/printed envelope/paper envelopesWe are printing factory specizalized in paper air fresheners, having SGS certificate ... for fragrance.We sell different kinds of air fresheners: paper, plastic, cotton, wooden air freshener, etc. we ... promotion and marketing.Also, we sell envelopes, 3D glasses, paper coaster, notebook, notebook pen, and scent bookmark, etc. ...