This is shanghai subsidiary of Betpak , we provide package resolution on keeping product dry, and we provide aluminum foil bags, shielding bags, vacuum bags, conductive bags, desiccants, humidity indicator cards and so on just in 4600 dust-free workshop in shanghai. We are looking for Global dealers of desiccants, barrier bags, humidity indicator cards etc. Awaiting your kind reply. Sincerely wish to establish long-term business relationship with your company. Sales Department Nancy Wang ***************************************************** Shanghai Betpak Packaging Material Co., LTD > H.P.:15000503327 > Tel:021-60871180-210 > Fax:021-60871356 > E-Mail: ***** > Web:http://*****/ > Add: No.18, Gubo Road, Xinchang Industrial Park, Pudong New District, Shanghai