01
Specifications first
Every quotation starts with the gas, the working pressure and the destination.
About us
About Seamless Cylinder Co.
We are an export supplier of seamless steel gas cylinders and valves, based in Haikou, Hainan Province, China.
Our cylinder range covers industrial gas cylinders for oxygen, argon and nitrogen service; compact cylinders for medical gas supply; and high-pressure cylinders for CNG and fire-fighting applications.
Our supply
A trading company that manages the export side.
We are not a factory. We are an export supplier of seamless steel gas cylinders and valves, based in Haikou, Hainan Province, China.
Our manufacturing partners hold special equipment manufacturing licences. Our cylinders are built to ISO 9809-1 and ISO 9809-3, and certification documents can be provided to meet destination-country requirements.
How we work
What buyers can expect from us.
These are the working rules behind every quotation.
02
Matched valves
Cylinder and valve are quoted as one configuration.
03
Clear documentation
Certification documents are provided to meet destination requirements.
04
Straight answers
If a size or standard does not fit, we say so instead of substituting quietly.