1. Process defects during valve casting (1) Hole defects, such as pores, shrinkage holes, porosity, slag holes, blisters and iron beans. They may expand into hidden dangers in use. Most of the pores are distributed on the surface of cast iron or near the surface, which are spherical or pear-shaped;

Nippon Gases will construct and operate a €10m CO2 recovery unit in Spain for bioethanol producer Vertex Bioenergy.Announcing the news on Monday (14th Dec), Nippon Gases said it will build the facility at the Ecocarburantes Españoles site, property of Vertex Bioenergy, located in Valle de Escombrera

Christmas is here. We hope you all have a happy and wonderful Christmas.May every day hold happy hours for you.

Dewar flask (tank) is a stainless steel pressure vessel with super vacuum insulation. It is designed for storing, transporting and using liquid oxygen, liquid nitrogen, liquid argon or carbon dioxide. These containers are manufactured according to the DOT4L standard and are used for reliable and eco