telecommunication equipments & networking systems- (1) CTI platform- GDS ( global digital system), ISDN digital telephone systems. (2) CTI companion- internet based Software packages, system managers, access & telephone managers, contact manager, call accounting systems. (3) digital control telephone system, hybrid dual systems, key telephones. (4) VoIP, TAPI, PSTN, ISDN, E1, T1, DID, E&M, voice mails, caller ID, SMDR, LCR, IP PBX, PBX systems, wireless PBX.

Shenzhen Cesller Technology Co., Ltd. is manufacturing a wide range of group-phone system including PBX Software, PBX phone system, asterisk PBX, hosted PBX, VOIP PBX system, small business PBX. We are always trying to develop market all over the world. And our international market places are including Middle East, Africa and Asia by now, domestic market places are distributed cities all over China. There are sole agents at all of provinces, direct jurisdiction cities, self governed districts and about one thousand dealers. Sale Quantity of our products is getting bigger and bigger in recent years and has become one of famous brand at the same field in China. If you are interested, please feel free to contact with us or you can email to us.

Yuanguan Guan Enterprise Co., Ltd. is an agent, importer and exporter for the famous foreign company EMERSON & LIEBERT for many years. Our focus and professional products are Datawave, PBX Software, TVSS, UPS-GXT2U, PPC, 610T and Hipulse UPS system and special battery, transformer and the other related products. Also, we are concentrating to project formulate, maintenance and service in professional fields for customers. Our power protection line offers the broadest range of solutions in industry from surge protection and power conditioning to Uninterruptible Power Supplies in off-line, on-line and line-interactive topologies, Software and communications. We are able to provide quality products, excellent service, and competitive price and prompt delivery to customers from around the world....