NINGBO, ZHEJIANG, CHINA, February 3, 2026 /EINPresswire.com/ -- In the modern medical environment, quality protective ...
ZHONGSHAN, GUANGDONG, CHINA, January 23, 2026 /EINPresswire.com/ -- With countless PVC tarpaulin options flooding the ...
Abstract: Mineral oil and kraft paper are widely used as transformer insulation, but their reliability is threatened by sulphur contamination. Elemental sulphur and its compounds react with copper ...