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,
Alloy Steel ASTM A182 F11 F22 Npt Threaded Flange Forged ratio: no less than 4:1 Technical Data: According to the customer's requirement of Chemical ...