Sannadka cusub wuxuu keenaa bilow cusub. Tianjin Zhengneng Pipe Industry Co., Ltd. waa shirkad xirfad leh oo isku dhafan wax soo saarka dhuumaha, iibinta iyo dhoofinta. Wax soo saarka ugu muhiimsan ee shirkadu waxaa ka mid ah tuubooyinka kululeeyaha, tuubooyinka bacriminta, tuubooyinka batroolka iyo tuubooyinka dhismaha.
Zhengneng Pipe Industry waxaa ka go'an in ay bixiso mashruuc la isku halayn karo oo qiimo leh iyo xalal hawleedka macaamiisha iyo la-hawlgalayaasha adduunka oo dhan, oo ay ku jiraan warshadaha kuleyliyaha, warshadaha saliidda iyo gaaska, ilaalinta biyaha, macdanta, warshadaha tamarta iyo warshadaha qalabka farsamada. Alaabooyinka waxaa laga iibiyaa Koonfur-bari Aasiya, Bariga Dhexe, Waqooyiga Ameerika iyo Koonfurta Ameerika.
Maanta waxaan soo bandhigi doonaa alaabta ugu muhiimsan ee shirkadeena. Alaabada ugu muhiimsan ee shirkadeena waa: Tubooyinka kululeeyaha waxay ku xisaabtamaan 40%; dhuumaha xariiqda ayaa xisaabiya 30%; Tuubooyinka kiimikooyinka ayaa 10% ah; Tuubooyinka kulaylka waxay ku xisaabtamaan 10%; Tuubooyinka makaanikada ayaa ah 10 %.
Qalabka ugu muhiimsan waxaa ka mid ah:
1.Tubooyinka kululeeyaha40%
ASTM A335/A335M-2018: P5, P9, P11, P12, P22, P91, P92;GB/T5310-2017: 20g, 20mng, 25mng, 15mog, 20mog, 12crmog, 15crmog, 12cr2mog, 12crmovg;ASME SA-106/ SA-106M-2015: GR.B, CR.C; ASTMA210(A210M)-2012: SA210GrA1, SA210 GrC; ASME SA-213/SA-213M: T11, T12, T22, T23, T91, P92, T5, T9, T21; GB/T 3087-2008: 10#, 20#;
2.Dhuumaha khadka30%
API 5L: PSL 1, PSL 2;
3.Dhuumaha batroolka10%
GB9948-2006: 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 20G, 20MnG, 25MnG; GB6479-2013: 10, 20, 12CrMo, 15CrMo, 12Cr1MoV, 12Cr2Mo, 12Cr5Mo, 10MoWVNb, 12SiMoVN b;GB17396-2009:20, 452, 45Mn
4.tuubada kulaylka10%
ASME SA179/192/210/213 : SA179/SA192/SA210A1.
SA210C/T11 T12, T22.T23, T91. T92
5.Dhuumaha makaanikada10%
GB/T8162: 10, 20, 35, 45, Q345, 42CrMo; ASTM-A519: 1018, 1026, 8620, 4130, 4140; EN10210: S235GRHS275JOHS275J2H; ASTM-A53: GR.A GR.B