-                API 5L/ASTM A106/ASTM A53Daidaitaccen: API 5L/ASTM A106/ASTM 53; 
 Darasi: B;
 Material: bututun ƙarfe mara nauyi;
 Girma: 10.3 - 660 mm;
 Jadawalin: SCH40, SCH80, SCH 100, SCH 120, da dai sauransu;
 Nauyi: STD (Standard), XS (Ƙarfin Ƙarfi), XXS (Ƙarfin Ƙarfi Biyu);
 Surface: baki bututu, fentin, varnished, galvanized, 3LPE, FBE, da dai sauransu;
 Magana: FOB, CFR da CIF suna tallafawa;
 Biya: T/T, L/C;
 Farashin: Tuntube mu don samun kyauta ta kyauta daga mai sayar da jari a China.
-                ASTM A500 Grade C Bakin Karfe Tsarin tubeMatsayin aiwatarwa: ASTM A500 
 Darasi: C
 Girman: 2235 mm (88 in) ko ƙasa da haka
 Kaurin bango: 25.4 mm [1.000 in.] ko ƙasa da haka
 Length: Common tsawo ne 6-12m, musamman tsawo suna samuwa a kan bukatar.
 Ƙarshen Tube: Ƙarshen lebur.
 Rufin saman: Surface: Bare tube/black/varnish/3LPE/galvanized
 Biya: 30% Deposit, 70% L/C Ko Kwafin B/L Ko 100% L/C A Gani
 Yanayin sufuri: akwati ko girma.
-                API 5L GR.B Babban Kauri Mai Kauri Ba Tare Da Sulun Bututu Don Sarrafa InjiniManufacture: tsari mara kyau, zanen sanyi ko birgima mai zafi Girman: OD: 20 ~ 500mm; WT: 3 ~ 80mm Tsawon: 6m ko ƙayyadadden tsayi kamar yadda ake buƙata. Ƙarshe: Ƙarshen Ƙarshe, Ƙarshen Ƙarshe, Mai Zare 
-                Bututu Karfe mara sumulDarasi: Gr.B,X42~X70,A179,A192,J55,K55,,P11,P91,da sauransu. Girman: 10-660mm Diamita na Waje, 1.0-100mm Kaurin bango Tsawon: Tsawon Kafaffen 5.8m, 6m, 11.8m ko na musamman. Ƙarshe: Ƙarshen Ƙarshe / Ƙarshen Ƙarshe, Tsari, Zare, eta. Rufi: Varnish shafi, Hot tsoma galvanized, 3 yadudduka PE, FBE, da dai sauransu. Fasaha: Motsi mai zafi, Zane sanyi, Fitarwa, Ciwon sanyi, Ciwon Zafi Sharuɗɗan biyan kuɗi: LC/TT/DP Yawan aiki: 8000Tons / watan Mahimman kalmomi: Bututu mara nauyi, bututun inch 16, bututu mara nauyi a China, Mai sarrafa bututu mara nauyi, Mai ba da bututu mara nauyi, Farashin bututun ƙarfe 
-                JIS G 3441 Class 2 Alloy Marasa Karfe TubesGirman: OD: 15.0 ~ 114mm WT: 2 ~ 20mm Darasi: SCM420TK, SCM 415TK, SCM430TK, Tsawon: 6M ko ƙayyadadden tsayi kamar yadda ake buƙata. Ƙarshe: Ƙarshen Ƙarshe, Ƙarshen Ƙarshe. Biya: 30% Deposit, 70% L/C Ko Kwafin B/L Ko 100% L/C A Gani Yawan Oda Min.: Ton 1 Lokacin Jagora: Kwanaki 7-14 Idan A hannun jari, Kwanaki 30-45 Don samarwa Fasaha: Motsi mai zafi, Zane sanyi, Fitarwa, Ciwon sanyi, Ciwon Zafi 
-                API 5L GR.B Bututun Layi Mara Sumul don Matsawa da TsariSurface: Bare bututu ko Black / Varnish shafi (bisa ga abokin ciniki ta bukatun) Ƙarshe: Ƙarshen Ƙarshe / Ƙarshe Tsawon: 5.8m, 6m, 11.8m, 12m ko abokin ciniki. Shiryawa: Har zuwa 6 "a cikin daure, na sama 6" a kwance. Sharuɗɗan biyan kuɗi: LC/TT/DP 
