... .9,JIS,DIN ,GB etc TeeThree is a pipe, pipe connecting piece. Also called pipe three or three pieces, three joints, in charge ... sizes.Three is used for pipeline branches of a pipe. The seamless pipe manufacturing, three, now commonly used technology of hydraulic ... carbon steel, cast steel, alloy steel, stainless steel, copper, aluminum, plastic, argon Ge Lek, PVC etc..2 with the production method ...