Kami menawarkan stok besar saiz ganjil & sukar untuk mencari standard - asme \ / ansi, en, din, afnor, awwa, gost, bs, jis, as, mss, sa, uni, aisi ss pipe flanges di gred 304L, DIN SS 1.4306 flanges, ss f300 ss f30s, ss f30s, ss f30s, ss f30s, ss f300, ss f300, ss f30. 1.4306 SS Flanges, ASTM A182 F304L Flanges, SS 1.4306 bebibir di pasaran utama dari China.