Chang Lan fastener n'ichepụta co., LTD (nke a na-ezo aka dị ka Chang Lan), mgbe afọ nke mmepe, na ụlọ ọrụ e hiwere na 2011, nke a na-akpọbu Chang He fastener factory, bụ ibu yongnian ọkọlọtọ fastener n'ichepụta ụlọ ọrụ, ụlọ ọrụ dị na ya dị. na nnukwu nkesa center maka ọkọlọtọ akụkụ - Hebei Province YongNian, na-ekpuchi ebe karịrị 6000 square mita, nso 107 mba okporo ụzọ na beijing-guangzhou ụgbọ okporo ígwè, njem dị mfe, magburu onwe ọnọdụ.Mgbe ọtụtụ afọ nke mmepe gasịrị, ụlọ ọrụ ahụ nwere ngwá ọrụ mmepụta ụlọ dị elu maka bolts, mkpụrụ, isi abụọ na ụkwụ na ngwa nyocha ngwaahịa zuru oke.Nwere ahụmahụ nkà na ụzụ nnyocha na mmepe otu na elu àgwà management ndị ọrụ na mbara mmepụta gburugburu ebe obibi
Ụlọ ọrụ anyị bụ nnyocha sayensị, mmepụta, ahịa dị ka otu n'ime ndị na-eduga ụlọ ọrụ, bụ ọkachamara mmepụta nke ọkọlọtọ akụkụ ngwaahịa integrated ụlọ ọrụ.The mmepụta ihe tumadi na-eji 35CrMo, 40Cr, 45 #, 35 #, 35K, 10B21, Q235 na ndị ọzọ dị iche iche ihe nke fasteners, isi British usoro, United States usoro, 8.8, 10.9, 12.9 klas.Square isi bolt, stud bolt, arịlịka bolt, pin shaft, ụgbọ ala na-arụzi gecko na ndị ọzọ ngwaahịa, nwere ọnụ ọgụgụ nke ọma ụlọ ọrụ na-akwado imekọ ihe ọnụ.Ogo ngwaahịa ahụ kwụsiri ike na arụmọrụ a pụrụ ịdabere na ya
Ngwaahịa na-ere nke ọma karịa mpaghara 20, obodo, mpaghara kwụụrụ onwe ya, wee bupụ ya na Spain, Germany, Poland, Thailand, India, Malaysia na mba ndị ọzọ na Ndịda Ọwụwa Anyanwụ Eshia na Europe na United States.A na-ejikarị ya na akụkụ ụgbọ ala, akụkụ igwe, akụkụ mbuli elu, ngwá ọrụ nchebe ụgbọ ala, akụrụngwa ahụike, China Construction Group, China Railway Group na mpaghara ndị ọzọ, wee nweta aha ọma dị mma, site n'aka ndị ahịa ụlọ na ndị mba ọzọ tụkwasịrị obi na nkwado.N'ime ndị ahịa ka ịmepụta aha ọma,
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