With its inertness, high thermal conductivity and light weight characteristics, high-purity helium is used as a high-temperature melting protection and plasma melting auxiliary gas in the quartz melting and molding process, as a process carrier gas and dehydration purge gas in the manufacture of optical fiber preforms, and as a fast spirit magpie and laser processing shielding gas in the use of glass post-processing. This product has the advantages of ultra-high purity, which can meet the requirements of customers for a variety of packaging and cylinder joints.