Comments on the National Standard "Test Method for Upper and Lower Temperatures of Ultra-thin Glass Annealing"

2023-07-21 15:51:13

Letter of Soliciting Opinions on the National Standard "Test Method for Upper and Lower Annealing Temperatures of Ultra-thin Glass"

Letter

of Soliciting Opinions

on the National Standard "Test Method for Upper and Lower Annealing Temperatures of Ultra-thin Glass "

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Letter of Soliciting Opinions on the National Standard "Test Method for Upper and Lower Annealing Temperatures of Ultra-thin Glass"

2023-07-21 15:51:13

From September 22, 2025 to September 28, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rate of 50% and above: 66.72% in Anhui Province, 61.98% in Shandong Province, 59.02% in Henan Province, 56.68% in Jiangsu Province, 50.00% in Liaoning Province and 50.00% in Hainan Province.