Recently, JSZT Submarine Cable Technology Corporation led the China National Key R&D Program "Key Deep Sea Technology and Equipment" key special project "Research and test of key technology of non-metallic armored umbilical cable for deep sea deep ROV" and held a performance evaluation. After expert review, all three subjects under the project passed the subject performance evaluation. This also marks that the R&D team headed by JSZT has broken through the key technology of non-metal armored umbilical cable for deep ROV in the whole sea.