material must be tested when purchase.. hardness must be made in the high temperature condition .
process way is make forging.
The most important is material and hardness .
Ring joint gasket, is our main products. It has different material such like soft iron, carbon steel, SS304, SS316, F5, SS321 and etc according the API standard. It has different hardness for different material.
Ring joint gasket, is our main products. The quality must be correct material and right hardness for that. Process way forging.
Package: | carton box and then wooden case. |
Port: | ningbo or shanghai |
Fob Price: | US$1-100ningbo or shanghai |
Model Number: | API |