About Us NINGBO WISDOM ELECTRONICS CO. , LTD . an ISO9001 registered manufacturer of RJ11/R45 modular jack , Network cable , USB cable , HDMI cable , IEEE 1394 cable , final block .The products are UL approved , We have over 10 years experience in the manufacturing of communication parts.Our policy to supply the most comprehensive and dependable quality , Competitive price and quick delivery , our products are considerably sold in USA , UK , France , Germany , Italy , Japan etc . about 20countries.The most comprehensive quality inspection instruments and tooling development equipment can ensure us to offer you the best service invariably .