PRODUCT PROMOTION CO. AND SHENZHEN HAOLINK TECHNOLOGY CO., LTD with registered Brand: Signal Max TM were founded in 1990 by Telcom Group.

The master products in the beginning are kinds of the Fiber Optical Cables.

Depending with excellent R&D ability, the said cables of Baycom were approved by The Directorate General Telecommunications of the PRC without any external technology supporting in 1992.

In 1994, PRODUCT PROMOTION CO. moved to the Science-Based Industrial Park in Guangzhou. It became one of the major fiber optical cable suppliers in China. It devoted itself info the the production of passive optical components.

Which includes Coupler, WDM, Connecter, Converter, Transceiver, Optical Switch, Patch cord, Pigtail, Collimator and etc.

PRODUCT PROMOTION CO. was the first one to sign up a contract withLucent Technologies - China for manufacturing and obtaining theselling rights of LC connectors and adapters. All products have passedthe strict environmental test and attained International standard.