Industrial Gas distribution centre in the name Echo Gases Pvt.Ltd. Based in Kolkata, West Bengal, India. Echo is having their own Oxygen, Nitrogen, Carbon-di-oxide & Argon filling plant at Domjur, Howrah. Echo is also catering to various Hospitals, Nursing Homes, Medical Practitioners on unfailing regularity Medicinal gases 24 Hours a day and night. Gas Manufacturers, Nitrogen Gas, Industrial Gas, Medical Gas, Speciality Gas, Gas Cylinder, Argon Gas. Echo is a trusted name in the industry and ca