He tau hou tēnei, he tīmatanga hou. He umanga ngaio a Tianjin Zhengneng Pipe Industry Co., Ltd. e whakauru ana i te hanga paipa, te hoko me te kaweake. Ko ngā hua matua a te kamupene ko ngā paipa kohua, ngā paipa tongi, ngā paipa hinu me ngā paipa hanganga.
E whakapau kaha ana a Zhengneng Pipe Industry ki te whakarato i ngā otinga kaupapa me ngā otinga whakahaere pono, whai hua hoki ki ngā kiritaki me ngā hoa mahi huri noa i te ao, tae atu ki te umanga kohua, te umanga hinu me te hau, te tiaki wai, te maina, te umanga pūngao me te umanga taputapu miihini. Ka hokona ngā hua ki Āhia ki te Tonga-mā-rāwhiti, te Waenganui Rawhiti, Amerika ki te Raki me Amerika ki te Tonga.
I tēnei rā ka whakaatuhia ngā hua matua a tā mātou kamupene. Ko ngā hua matua a tā mātou kamupene: 40% o ngā paipa kohua; 30% o ngā paipa raina; 10% o ngā paipa hinu matū; 10% o ngā paipa whakawhiti wera; 10% o ngā paipa mīhini.
Ko ngā rauemi matua ko:
1.Ngā Paipa Pūwero40%
ASTM A335/A335M-2018: P5, P9, P11, P12, P22, P91, P92;GB/T5310-2017: 20 karamu, 20 mig, 25 mig, 15 mig, 20 mig, 12 mig, 15 mig, 12 mig2 mig, 12 mig;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.paipa raina30%
API 5L: PSL 1, PSL 2;
3.Paipa hinu matū10%
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, 45, 45Mn2;
4.ngongo whakawhiti wera10%
ASME SA179/192/210/213 : SA179/SA192/SA210A1.
SA210C/T11 T12, T22.T23, T91. T92
5.Paipa mīhini10%
GB/T8162: 10, 20, 35, 45, Q345, 42CrMo; ASTM-A519:1018, 1026, 8620, 4130, 4140; EN10210: S235GRHS275JOHS275J2H; ASTM-A53: GR.A GR.B