Hydrogen sulfide gas is colorless, toxic and corrosive, and is often found in crude oil and natural gas development, gathering and transportation systems.
YA brand YA brand ISO9809-3 CE TPED oxygen cylinder is made by 37Mn or 34CrMo4 seamless steel pipe ,consistent height, smoothly painting, and excellent properties, which is widely used for industrial filed, welding filed or medical and hospital field. The