Dear sirs, we are a hyderabad - india based corona rings manufacturing company. We have 18 years exposure to aluminium industry and we have ability to manufacture any variety ( design) of corona rings and grading rings. We can supply you corona rings and grading rings for various ratings and as per your drawings ( 220 kv till 765kv) and special rings for 1200kv and 1700 kv please send us your enquiries.
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ECIL, Hyderabad, Telangana 
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