Copper cathode

Tuesday 18 January 2022

Henan Zhonggong Group was founded in 1983 and covers an area of more than 240,000 square meters. Henan Tosta Machinery Co., Ltd. is the subsidiary of Henan Zhonggong Group. With matured development in portable crane working principles, Zhonggong crane service company manufactures...

Saturday 16 January 2021

L'automatisation des portes est très populaire dans les pays développés. L'automatisation des portes, l'automatisation des fenêtres, la domotique, l'automatisation des toitures sont utilisées dans les maisons, l'industrie, les bureaux, les hôpitaux et les écoles partout. Les portails...

Friday 16 June 2023

A bronze ball valve is a type of valve used to regulate the flow of liquids or gases in a pipeline. It consists of a spherical ball with a hole in the middle that can be rotated to control the flow of fluid through the valve. The valve body and ball are typically made of bronze,...