Dear Sir/Madam, Good day from Maggie~ We are exporting steel pipes and pipe fittings over 15 years. Now we writing with sincerely and hope to support and cooperate with you in the near future. Our Main Products Range: ASTM A179M/A192M, GB5310, ASTM A106/A209M, EN10216-2, API 5L etc. ◆ SMLS OD: 1/4"- 32", Thick: max 60mm ◆ WELD OD: 1/4"- 80", Thick: max 50mm Welcome to your inquiry or reply, thanks Thanks and Best Regards Maggie Sales Rep Union Victory (HK) Industry Co.,Ltd E-mail: maggie@vicsteelpipe.com Tel: +86-18792431810