Ninghai, Ningbo, Zhejiang, China

Ningbo Sijee Opitcal Communication Equipment Co .Ltd, is a hi-tech company engaged in researching, manufacturing and marketing of optical communication equipments, telecom products, distribution equip...

Tengtian technology is one of the most important fiber passive component enterprise, there are five branch companies, business offices, the business is allover our nation, Europe and American, East As...