Valentine gift boxes factory 2024: A Rigid Box is a gift box made of gray cardboard, and its material is thick, generally in the range of 600 grams to 2500 grams. So, what types of boxes can rigid box be made into in the packaging market? Such as high-end customized gift boxes such as heaven and earth covers, flip boxes, […]

Dry type power transformer supplier factory from China: Power quality plays a crucial role in the performance and longevity of distribution transformer substation. Poor power quality can lead to increased losses, reduced efficiency, and shorter equipment lifespan. Therefore, effective strategies for power quality management are indispensable for the optimal operation of distribution transformers. Harmonic currents, particularly those of higher frequencies, […]