ʻO ka Tube Round Steel Grade First Grade Performance kumu hale hana i hana ʻia ma Youfa Brand ka mea hana nui loa no ka paipu kila kalapona

Nā mea hana i mālama pono ʻia, ka hui waiwai loea, a me nā huahana a me nā lawelawe ma hope o ke kūʻai aku ʻoi aku ka maikaʻi; He hoa pili nui mākou a me nā keiki i hoʻohui ʻia, pili kēlā me kēia kanaka i ka pono o ka ʻoihana "unification, dedication, tolerance" no ka Factory source Performance First GradePaipu poepoe kilaHana ʻia ma Youfa Brand ka mea hana nui loa no ka paipu kila kalapona, Hoʻokipa mākou i nā mea kūʻai aku, nā hui ʻoihana a me nā hoaaloha mai nā wahi āpau o ke kaiapuni e kamaʻilio me mākou a ʻimi i ka laulima no ka loaʻa like ʻana.
Nā mea hana i holo pono ʻia, ka hui waiwai loea, a me nā huahana a me nā lawelawe ma hope o ke kūʻai aku ʻoi aku ka maikaʻi; He hui pū mākou me nā keiki nui i hoʻohui ʻia, pili kēlā me kēia kanaka i ka pono o ka hui "unification, dedication, tolerance" noPaipu kila kila humuhumu ʻole kalapona Hs Code, Paipu kila kila ʻole, Paipu poepoe kila, Welina mai e kipa i kā mākou hui a me ka hale hana, aia nā ʻano hoʻonā like ʻole i hōʻike ʻia i loko o kā mākou lumi hōʻikeʻike e hoʻokō i kāu manaʻolana, i kēia manawa, inā ʻoluʻolu ʻoe e kipa i kā mākou pūnaewele, e hoʻāʻo kā mākou limahana kūʻai aku i kā lākou hana e hāʻawi iā ʻoe i ka lawelawe maikaʻi loa.

Ka Mana Kūlana Koʻikoʻi:
1) I ka wā a ma hope o ka hana ʻana, 4 mau limahana QC me ka ʻoi aku o 5 mau makahiki o ka ʻike e nānā i nā huahana ma kahi random.
2) Keʻena hoʻokolohua i hōʻoia ʻia e ka ʻāina me nā palapala hōʻoia CNAS
3) Nānā ʻae ʻia mai ka ʻaoʻao ʻekolu i koho ʻia/uku ʻia e ka mea kūʻai, e like me SGS, BV.
4) Ua ʻāpono ʻia e Malekia, ʻInidonesia, Singapore, Pilipine, ʻAukekulelia, Peru a me UK. Loaʻa iā mākou nā palapala hōʻoia UL /FM, ISO9001/18001, FPC

aʻo hou aʻe e pili ana i nā palapala hōʻoia

Hoʻopili a me ka lawe ʻana:
Nā kikoʻī hoʻopili: i loko o nā puʻupuʻu kai hexagonal i hoʻopaʻa ʻia e nā ʻāpana kila, Me ʻelua mau maʻa nylon no kēlā me kēia puʻupuʻu.
Nā kikoʻī hoʻouna: Ma muli o ka QTY, ʻo ka maʻamau hoʻokahi mahina.

12 mau laina hana paipu kila huinahā a huinā wela
Nā Hale Hana:
Tianjin Youfa Dezhong Steel Pipe Co., Ltd;
ʻO Handan Youfa Steel Pipe Co., Ltd;
ʻO Shanxi Youfa Steel Pipe Co., Ltd.