Address：Shengang Town, Jiangyin City, Jiangsu Province
Address：Room 8701, new bulk hotel, 58 wheat shop street,
chaoyang district, Beijing.
© 2013 DP-Master Manufacturing (S) Pte Ltd . 苏ICP备08005467号
DRILL STRING ACCESSORIES
DP-Master offers lift subs and lift plugs from size 3-1/8’’ to 11’’ manufactured to the same specifications used for drill collars.
All accessories except welded pup joints are manufactured from solid modified alloy steel bars similar to drill collars which are fully heat treated to the required chemistry and mechanical properties. The internal bore is trepanned with precision and machined to size with comprehensive quality control.