As the largest 7.0L manufacturer in china, SEFIC sales quality 7.0L to customers all over the world.

From inquiry to clients’ usage of SEFIC’s6.0L , we promise to offer you superior service .Please believe your choice . 6.0L

As a specialist of 5.0L , SEFIC can offer you comprehensive selections of goods in this industry

As a specialist of ISO9809-1 Standard 4L 200bar Oxygen Cylinder , SEFIC can offer you comprehensive selections of goods in this industry

You can buy good quality ISO9809-1 Standard 3L 200bar Oxygen Cylinder, we are the best distributor from China market.

SEFIC’s ISO9809-1 Standard 2L 200bar Medical Oxygen Cylinder are more and more popular at home and abroad which has low cost , high quality and convenient

SEFIC is the best ISO9809-1 1.8L 200bar Medical Oxygen Cylinder manufacturer in China. Offering quality product to global customers

As the largest 50L Seamless steel gas cylinder manufacturer in china, SEFIC sales quality 50L Seamless steel gas cylinder to customers all over the world.

From inquiry to clients’ usage of SEFIC’sgas cylinder manufacturer,47l-seamless-steel-cylinder.html , we promise to offer you superior service .Please believe your choice . gas cylinder manufacturer,47l-seamless-steel-cylinder.html

CE+TUV certified, SEFIC offer Oxygen Cylinder, Nitrogen Cylinder, Argon cylinder……