คณิตศาสตร์

OST Overseas Co., Ltd. established in 1981, has rapidly grown over the past 40 years to become one of the leading manufacturers and distributors of stationery and office supplies in Thailand. We also provide made-to-order items under Customer’s Brand or Private Label (OEM). With our own design and development team, We are market leaders in “in-style stationery” cover all kinds of PP (Polypropylene), PP Foam Files & Folders such as Clear Holder, Display Book File, Expanding File, Ring Binder, Card Holder, Bookmark, Educational Posters, games etc.