The sampling cylinder is based on SH0233 "Liquefied Petroleum Gas Sampling Method", GB/T13290 "Industrial Propylene and Butadiene Liquid Sampling Method", GB/T13289 "Industrial Ethylene Liquid and Gas Sampling Method" and GB/T8570.1 "Liquid Sampling Method" Determination of Anhydrous Ammonia Determination of Laboratory Samples "Requirements" Designed and manufactured for the storage and transportation of analysis samples of liquefied petroleum gas, ethylene, propylene, butadiene, the material is 316L. It is also suitable for sampling other gases or liquids under the same operating conditions. It is widely used in the fields of petroleum and chemical production and scientific research.