1. The advantage of Ar+He argon is that the arc combustion is very stable and the spatter is extremely small. The advantages of helium are high arc temperature, high heat input to the base metal, and fast welding speed. The advantages of both can be obtained by adding a certain amount of helium with

Shanghai Wangen Company wishes everyone a happy Spring Festival and a prosperous Year of the Tiger

South African industrial gases specialist Air Products has used its expertise in specialty gases to extend the shelf life of a wide variety of food products through the use of modified atmospheric packaging (MAP), which includes changing the gas inside the food packaging.The company uses three main

2022 is approaching. On the occasion of New Year's Day, all employees of Shanghai Hengxin Industrial Co., Ltd. send the warmest holiday blessings: In the new year, may your life be like spring and winter jasmine in full bloom, as simple and elegant as summer flowers , Like golden chrysanthemums in a