TOBO ALLOY GROUP TOBO Alloy Group is a mature, steady and energetic high-tech company, specializing in manufacture of high-temperature alloys and corrosion resistant alloys, such as Hastelloy, Haynes,
Stainless Steel Nipple SS A312 TP317 Half Thread Nipple Female Thread Nipple The nipple is divided into tubing nipple and casing nipple. Pipe fitting ...