SPRING located in Shenzhen, China, was founded in 2005, which is professionally engaging in researching & developing, manufacturing , and marketing fiber optical communication products.Such as fiber optic patch cord ,PLC splitter ,Media converter ,SFP and so on, With several-year development, SPRING has established a professional technical team, strict quality control system ,and high-tech production line.And we strictly execute RoHS, 5S and ISO9000. As an export-oriented enterprise,over 85 percent of our products are sold abroad,like India, UAE, Germany, France, USA, Korea, Russia etc..The products are widely used in telecom, broadcast & television, power engineering, as well as some other industries. Better quality, more cost-effective price, more excellent after-sales-services, these are objective we are always providing to customers. SPRING aims to establish long term relationship with global customers.