Olupese OEM Astm A53 Iṣeto 40 Black Q235b 28 5 8 Inch Ajija Weld Carbon Duplex Tube Erw Steel Pipe Youfa Brand olupese ti o tobi julọ fun paipu irin welded

tẹle adehun”, ni ibamu si ibeere ọja, darapọ mọ lakoko idije ọja nipasẹ didara giga rẹ tun bi pese afikun okeerẹ ati iṣẹ iyasọtọ fun awọn alabara lati jẹ ki wọn yipada si olubori pataki. Lepa iṣowo naa, ni pato awọn alabara ' itẹlọrun fun Olupese OEM Astm A53 Iṣeto 40 Black Q235b 28 5 8 8 Inch Spiral Weld Carbon Duplex TubeErw Irin PipeYoufa Brand olupese ti o tobi julọ fun paipu irin welded, A fun ni pataki si didara ati idunnu alabara ati fun eyi a tẹle awọn iwọn iṣakoso to dara julọ. A ti ni awọn ohun elo idanwo inu ile nibiti a ti ṣe idanwo awọn nkan wa lori gbogbo abala kan ni awọn ipele iṣelọpọ oriṣiriṣi. Nini si awọn imọ-ẹrọ tuntun, a dẹrọ awọn alabara wa pẹlu ohun elo ẹda ti aṣa.
tẹle adehun”, ni ibamu si ibeere ọja, darapọ mọ lakoko idije ọja nipasẹ didara giga rẹ tun bi pese afikun okeerẹ ati iṣẹ iyasọtọ fun awọn alabara lati jẹ ki wọn yipada si olubori pataki. Lepa iṣowo naa, ni pato awọn alabara ' itelorun fun8inch Erogba Erw Irin Pipe, Astm A57 Black Erw Yika Irin Pipe, Erw Irin Pipe, youfa irin pipe, A ni ireti lati ni ifọwọsowọpọ pẹlu awọn onibara ni gbogbo agbala aye, ti o ba fẹ lati ni alaye diẹ sii, rii daju pe o kan si wa daradara, a ti nreti lati ṣe agbero iṣowo iṣowo nla pẹlu rẹ.

Iṣakoso Didara to muna:
1) Lakoko ati lẹhin iṣelọpọ, awọn oṣiṣẹ 4 QC pẹlu diẹ sii ju ọdun 5 ni iriri awọn ọja ṣe ayẹwo laileto.
2) Yàrá ti a fọwọsi ti orilẹ-ede pẹlu awọn iwe-ẹri CNAS
3) Ayẹwo itẹwọgba lati ọdọ ẹni-kẹta ti a yan / sanwo nipasẹ olura, gẹgẹbi SGS, BV.
4) Ti a fọwọsi nipasẹ Malaysia, Indonesia, Singapore, Philippines, Australia, Perú ati UK. A ni UL / FM, ISO9001/18001, awọn iwe-ẹri FPC.

imọ siwaju sii nipa awọn iwe-ẹri

Iṣakojọpọ ati Ifijiṣẹ:
Awọn alaye Iṣakojọpọ: ni awọn edidi hexagonal seaworthy ti o ṣajọpọ nipasẹ awọn ila irin, Pẹlu awọn slings ọra meji fun awọn edidi kọọkan.
Awọn alaye Ifijiṣẹ: Da lori QTY, deede oṣu kan.