Advanced Tek Co., Ltd is located at the Shenzhen China. It is a hi-tech enterprise, has been engaged in the researching, manufacturing, and selling of Optical Communication Parts since 1989. At the first beginning we were making plastic and metal parts for the fiber optic industry and from 2001 we started our production in fiber optic passive components. Our present products includes: fiber optic patch cord, connector, adapter, attenuator, splitter, patch panel, enclosure , ODF series products and so on.We provide all our products with high quality, competitive price, short delivery lead-time and excellent after-sales service.