الصلب الصف
304, 321, 316Ti, 441, 370, 409L, 317L, 347, 204C3, 314, 444, 405, 310S, 410, 420J1, 425M, 305, 304L, S32101, 304J1, 420J2, 410S, 301LN, 204C2, 436L, 445, 429, 436, 439, 410L, S32304, S32305, 904L, 430, 309S, 304N, L1, 301, 316L, L4, 443, S30815, 316, LH, 301L
شهادة
iso9001, API, مكرر, Sirm, GS, Tisi, روهس, KS, SNI, SASO, JIS, SABS, سونكاب, PVOC, CE