galvanized steel tube flang Size: from 1/2 to 200 inch (DN15-DN6000) ... , BS, JIS, EN, JB, GB, HG, UNI, API galvanized steel tube flang Technics: Forged Size: from 1/2 to 200 inch ... : Within 12-15 Days after receipt the payment in advance. Supply Ability: 300ton/Month Place Of Orign: China OEM: Yes