Chang Lan chomangirira kupanga co., LTD (pano amatchedwa Chang Lan), patapita zaka chitukuko, kampani anakhazikitsidwa mu 2011, poyamba ankatchedwa Chang He fastener fakitale, ndi yokulirapo yongnian muyezo fastener kupanga mabizinezi, kampani lili. mu lalikulu likulu kugawa zigawo muyezo - Hebei chigawo YongNian, chimakwirira kudera la mamita lalikulu kuposa 6000, pafupi 107 khwalala dziko ndi Beijing-Guangzhou njanji, mayendedwe ndi yabwino, Malo abwino kwambiri.Pambuyo pazaka zachitukuko, kampaniyo tsopano ili ndi zida zopangira zoweta zapamwamba za mabawuti, mtedza, mitu iwiri ndi mapazi ndi zida zonse zoyezera mankhwala.Ali ndi odziwa luso kafukufuku ndi chitukuko gulu ndi mkulu khalidwe ogwira kasamalidwe ndi malo lalikulu kupanga
Kampani yathu ndi kafukufuku wasayansi, kupanga, kutsatsa ngati imodzi mwamafakitale otsogola, ndi akatswiri opanga magawo azinthu zophatikizika zamabizinesi.Zida kupanga makamaka ntchito 35CrMo, 40Cr, 45 #, 35 #, 35K, 10B21, Q235 ndi zipangizo zosiyanasiyana za fasteners, dongosolo waukulu British, dongosolo United States, 8,8, 10,9, 12.9 kalasi.Square head bawuti, stud bawuti, nangula bawuti, pin shaft, galimoto yokonza nalimata ndi zinthu zina, ali angapo odziwika bwino makampani kuthandiza mgwirizano.Ubwino wa mankhwalawa ndi wokhazikika ndipo ntchito yake ndi yodalirika
Zamgulu kugulitsa bwino m'zigawo zoposa 20, mizinda, zigawo yoyenda yokha, ndipo zimagulitsidwa ku Spain, Germany, Poland, Thailand, India, Malaysia ndi mayiko ena ku Southeast Asia ndi Europe ndi United States.Amagwiritsidwa ntchito kwambiri pazigawo zamagalimoto, mbali zamakina, mbali zokwezera, zida zodzitchinjiriza, zida zamankhwala, Gulu la China Construction, China Railway Group ndi magawo ena, ndipo wapeza mbiri yabwino, makasitomala am'nyumba ndi akunja amakhulupirira ndikuthandizira.Kuti kasitomala akhale ndi mbiri yabwino,
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