Due to production needs, cylinders must be used on site (indoor), the number of which must not exceed 5 bottles, and should meet the following requirements:1. The room must be well ventilated to ensure that the maximum content of hydrogen in the air does not exceed 1% (volume ratio). A louver or ven

Because each cylinder has a certain pressure. The liquefied gas is normally filled into the bottle in a liquid state at a normal temperature, and when the ambient temperature is raised, part of the liquid is converted into a gas to increase the pressure inside the bottle. Therefore, in order to ensu

In order to implement the spirit of the internship in the opening ceremony of the opening ceremony of the first China International Import Expo, the Chairman of the Board of Directors of the People’s Republic of China, the State Council’s Customs Tariff Commission, reviewed and approved, and approve

The cooker is annular, and has a mixed gas injection port on the inner upper circumference; one end of the mixing pipe is connected to one side of the cooker, and the other end is provided with an air regulating port; the middle of the air regulating port is a gas input pipe; The air box is provided