Ruren Machine Equipment Trade Co.,Ltd We are committed to providing state-of-the art technology, innovative solutions and personalized customer service. We strive to improve your bottom line, while
1.Types : Cou, abat-jour, soudure de prise, filetée, Lap Joint et plat sans lacets et soudants etc. ; 2.Standard : (1) norme ANSI B16.5, A105 150LB......