According to Tongguang Cable's announcement, Tongguang Cable, a wholly-owned subsidiary of the company, participated in the fourth public tender and procurement of installation materials for the 2026 power transmission and transformation project of the State Grid Co., Ltd., Tongguang Optical Cable had not entered the winning bid list. At that time, the winning bid amount was 10.7.62 million yuan, accounting for 4.23% of the audited revenue in 2025. On September 9, 2026, the State Grid released a supplementary list of winners. Tongguang Optical Cable won the bid for OPGW Optical Cable Package 3. The total bid amount this time was 129.5 million yuan, accounting for 5.09% of the audited revenue in 2025. A formal contract has not yet been signed for this major contract, and there is uncertainty.

According to Tongguang Cable's announcement, Tongguang Cable, a wholly-owned subsidiary of the company, participated in the fourth public tender and procurement of installation materials for the 2026 power transmission and transformation project of the State Grid Co., Ltd., Tongguang Optical Cable had not entered the winning bid list. At that time, the winning bid amount was 10.7.62 million yuan, accounting for 4.23% of the audited revenue in 2025. On September 9, 2026, the State Grid released a supplementary list of winners. Tongguang Optical Cable won the bid for OPGW Optical Cable Package 3. The total bid amount this time was 129.5 million yuan, accounting for 5.09% of the audited revenue in 2025. A formal contract has not yet been signed for this major contract, and there is uncertainty.