Pair twist shielded control cable is among electronic computing system special cables, is the urgently needed product for modernized industrial construction, has widespread use in the factories and mine enterprises and research institutions in energy industry, metallurgical industry, petroleum and chemical industry, etc. for electronic computer, meters and instruments, various automatic detection equipment and other information dissemination and control system; especially for transmitting the detection, control, analog and digital signals for the process variables of production plant in computer distributed control system. Its rated voltage is 300/500V and the product is produced according to BS5308 standard. Its insulating material can be made of irradiated polyethylene, PVC, polyethylene, low-smoke halogen-free polyolefine and silicone rubber; its armoring can adopt wire armoring, steel tape armoring and copper wire weaving. Optimized cable design program is available upon customer requirements according to operating conditions.