Akụkọ

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    -YUANTAI DERUN- Tianjin YUANTAI DERUN Pipe Manufacturing Group Co., Ltd. * 228th nke "Top 500 Manufacturing Enterprises in China" nke afọ 2016. *Eguzobere na March 2002, bụ kasị emeputa specializing na ERW square na ...
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  • Kedu ihe bụ ERW Tubes?

    A na-eto igwe anaghị agba nchara dị ka ihe bara uru site na ụlọ ọrụ dị iche iche gburugburu ụwa ma ọ bụghị otu ma ọ bụghị ọtụtụ ihe kpatara ya. Igwe anaghị agba nchara na-adịgide adịgide ma na-eguzogide ọgwụ ndị dị na mpụga dị ka acid na nchara. Ọ baghị uru ikwu, ọkpọkọ igwe anaghị agba nchara nwere ọtụtụ ngwa na ...
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  • E weputara koodu maka imepụta mmiri na igbapu nke ụlọ ọrụ nchara mbụ nke China

    Dị ka ọkwa nke Ministry of Home and Development ime ime obodo si kwuo, a ga-emejuputa atumatu ụkpụrụ maka mmiri na mmiri nke ígwè na ígwè dị ka ọkọlọtọ mba (nọmba GB50721-2011) na August 1, 2012 ọkọlọtọ a site na Chinese. nke metallurgical...
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  • Ọmụma ọkpọ ígwè

    A na-eji ọkpọkọ ígwè na-ebufe mmiri mmiri na ntụ ntụ siri ike, mgbanwe okpomọkụ, n'ichepụta akụkụ igwe na arịa, ọ bụ ihe akụ na ụba. Ihe owuwu nke igwe nwere eriri igwe, ogidi na nkwado n'ibu, nwere ike belata ibu, chekwaa 20 ~ 40% metal, ma nwee ike ịghọta mechanized constru ...
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