Posachedwapa, mitengo yamsika ya chitoliro chowotcherera ndi chitoliro cha malata m'mizinda ikuluikulu ku China yakhalabe yokhazikika, ndipo mizinda ina yatsika ndi 30 yuan / tani. Pofika potulutsa atolankhani, mtengo wapakati wa 4-inch *3.75mm welded chitoliro ku China watsika ndi 12 yuan/tani poyerekeza ndi dzulo, ndipo mtengo wamsika wa 4-inch *3.75mm malata chitoliro ku China watsika ndi 22 yuan / ton poyerekeza ndi dzulo. Msika wogulitsa ndi avareji. Pankhani yosintha mitengo yamafakitale a mapaipi, mitengo ya mapaipi otenthedwa kale m'mafakitole odziwika bwino idachepetsedwa ndi yuan 30 / tani poyerekeza ndi dzulo. Pakadali pano, kufunikira ku Shanghai kwayambiranso pang'onopang'ono pambuyo poyambiranso ntchito. Komabe, chifukwa cha mvula yambiri mu June, kufunikira kwa msika m'madera ambiri monga nyanja ziwiri kukuchepa, ndipo kufunikira kwa mtsinje wapansi kudakali kochepa. Domestic welded pipe social inventory anapitiriza kuchulukana sabata ino, ndipo katundu wa amalonda anali osauka. Masiku ano, tsogolo lakuda lakuda likufowokanso, ndipo kutsutsana pakati pa kuyembekezera kuchira kofunikira komwe kumabweretsa kukula kosasunthika kwa msika komanso kusakwanira kwenikweni kwa chitoliro chachitsulo kudakali kodziwika. Pankhani ya zopangira, mtengo wa Tangshan 355 udanenedwa pa 4750 yuan / ton lero, womwe unali wokhazikika kuposa kale. Pakadali pano, Tangshan Mzere zitsulo chomera wayambiranso kupanga, ndipo kuchuluka kwa magwiritsidwe ntchito kwachulukira. Komabe, kufunika kwenikweni si zabwino, amene pang'onopang'ono kuchuluka mavuto Tangshan Mzere zitsulo kufufuza. Ndi kuwonjezeka kwa katundu, kufunikira kumatulutsidwa pang'onopang'ono. Kusafanana konse kwa chitsulo ndi kufunikira kwa chitsulo kumakhala chakuthwa. Ndizovuta kuti mtengo wamsika ukhale wokwera kwambiri, ndipo mtengowo ukhoza kutsikabe. Choncho, zikuyembekezeredwa kuti mtengo msika wa m'nyumba welded chitoliro ndi kanasonkhezereka chitoliro akhoza kukwera sabata yamawa pansi zopinga osauka chitoliro welded ndi kuchepa yaiwisi zitsulo Mzere. Kufunika kwa mapaipi achitsulo padziko lonse lapansi kwakhala kokhazikika kwambiri, kotero tikhoza kutenga mwayi uwu kugula zambiri.