| Vendor | Cheng Um Sa Imports, Inc. | Koryo Books Importing, Inc. | Koryo Trading Co. | Rainbow Trading Co. | Spring Water Book Imports, Inc. |
| Website | www.koryobooks.com | www.pressunion.com | |||
| Online shopping | No | No | No | No | Yes |
| Address | 3921 Wilshire Blvd. Suite 501 Los Angeles, CA 90010 | 35 West 32nd St, New York, NY 10027 | 15417 S. Western Ave., Gardena, CA 90249 | KandaJinbocho 2-12, Chiyoda-ku, Tokyo, 101-0051 Japan | 3003 W. Olympic Bl. #105 Los Angeles, CA 90006 |
| Phone/Fax | Tel.213-738-9140 Fx.213-738-9141 | Tel.212-564-1844 Fx.212-564-0863 | Tel.310-327-2694 Fx.310-327-6717 | Tel./Fx. 81-3-3239-8887 | Tel.213-380-8787 888-710-2665 Fx. 213-380-0264 |
| Contact Person | Ms. Clara Choi <jesimport@hotmail.com> | Mr. Kim, Min-hyon <EPCHOI@IDT.NET> | Mr. Kim, Byung Joo | Mr. MIYAGAWA Jun <mujigae@kt.rim.or.jp> | Mr. Hong, Sung-yong <Sy102499@yahoo.com> |
| Specialty | Best sellers books and magazines | Current news magazines subscriptions; best sellers books; music CDs; | North Korean publications | North Korean books; Korean books published in China; CD-ROM; Video cassettes | online book store in LA (mainly books) |
| Discount | 18% discount | 15% discount | NO | No | |
| Book Price | US$1.00=KW500 | US$1.00=KW1,000 plus 50cent to $2.00; more for heavier books | |||
| Shipping | Actual shipping cost | Actual shipping cost | 25-30% of the total purchase price | Actual shipping cost | |
| Shipping method | UPS Ground | UPS or Post Mail | By Air | UPS Ground | |
| Service Charge | No | NO | No | No | |
| Approval Plan | No | Possible | No | No | |
| Binding Service | No | NO | No | No | |
| Gov. materials | No | Yes but limited | No | No | |
| Materials formats | Books, Periodicals, Audio cassettes | Books, periodicals, CD-ROM, Audio CD/Cassettes, Video, gift items | Books, Periodicals, Microforms | Books, Periodicals, Microforms, CD-ROMs, Videos, misc items | Books only |
| New book info | Bimonthly new book list | Monthly best seller list and religious books list | No | Update by email | Quarterly new books info; update on Internet |
| Customers | Univ., Public, etc | Univ., Public, students, bookstore, etc | Univ., Public, Research, individual | Public libraries in LA, Canada, Northern California | |
| Other services |