English 
As a detection and comparison medium, oxygen, nitrogen, helium, laser mixture is used in various medical equipment; All kinds of high-tech research and testing are inseparable from industrial gases, such as: meteorological chromatograph, mass spectrometer,
Materials with conductive properties between conductors and insulators at room temperature are used in integrated circuits, Consumer electronics, communication systems, photovoltaic power generation, lighting, high-power power conversion and other fields have applications, Diodes,
The development of photovoltaic technology has increased the demand for gas in the electronics industry. Such as chemical vapor deposition (CVD)Or physical vapor deposition (PVD), these technologies are mainly used to manufacture semiconductors or photovoltaic cells. Nitrogen trifluoride (NF3),
As a detection and comparison medium, oxygen, nitrogen, helium, laser mixture is used in various medical equipment;All kinds of high-tech research and testing are inseparable from industrial gases, such as: meteorological chromatograph, mass spectrometer,Atomic absorption;
The high purity useful gas with oxygen as the carrier is obtained by high temperature vapor phase oxidation reaction in a rotating quartz tube to obtain solid phase deposits, SiCl4 and other raw materials are made into optical fibers.
