Established in Sing Industrial Gas Vietnam Co., Ltd. is a professional manufacturer and distributor of: Liquid Oxygen, Liquid Nitrogen, Liquid Argon and Acetylene. We also provide Oxygen, Nitrogen, Argon, Carbon Dioxide (CO2) filling services. Dissolved Acetylene (DA), mixing gas and Ethylene gas, gas filling service for bottles and bottle assemblies. In addition, SIG Vietnam also supplies refrigerant gases such as: R22, R134a, R401A, R404A, R407C and R410 in bottle form. Single use or multi-use bottle