Chenggong Trading (HK) Co., Ltd. is devoted to providing you network spare parts, memory, photoelectric device as well as the electronic switch sensor of fine quality.
Following are our products:
1. GBIC &SFP module
2. Cisco switch, router and firewall
3. Cisco module
NM, PA, VIC, VWIC, WIC, WS
4. Cisco memory
5. Cisco cable
6. Network card and adapter.
If any product you are interested in, pls contact me with us, or we can talk on MSN Messenger. Upon receipt your requirement, a reasonable price and good quality will offer to you.