1) Pipe Fittings' Material
Regarding for Stainless Steel 304 material: In China local market, there is different quality level of materials.
Such as stainless steel 304 standard is with at least 8 Nickel and 18 Cr. However, not all named 304 material
There is a lot different price and quality lever about ball valves in China local market. And how to find out same price in best quality lever? Mainly reflects the following 6 points:
1) . Improve the ISO5211 Pad
When actuator valve stem side is le