Product Name Carbon steel fittings.
Standard EN/ UNI/ DIN / BS / NF/ ANSI/ JIS/ KS
Surface Galvanized blank yellow rust-proof oil
Material Carbon steel ST 37.2 A105 SS304
....

Product Name Carbon steel fittings/ Stainless steel fittings
Standard ASTM ( ANSI B 16.9) / DIN( DIN2605/ 2615/ 2616/ 2617/ 28011)
Surface Galvanized / black paint / ....

Product Name Carbon steel fittings.
Standard DIN / BS / ASTM
Material Carbon steel
Technics Machining
Shape Equal / barrel
Head code Round / circular
Type Nipple
....

Production Name Malleable iron pipe fittings
Size 1/ 4-6
Material Malleable Iron
Connection Male/ Female
Standard ANSI/ DIN/ BS
Application Oil gas shipbuilding and so....