Place of Origin : Changsha,China

Upset Style and connection: IU, EU, IEU/NC26, NC31, NC38, NC40, NC46, NC50, 5 1/2FH.6 5/8FH.

Application: Used for Mine, water well drilling, well drilling, coal and fore poling

Size: OD: 2-3/8

Pipe Standard: API 5DP E75, X95, G105, S135