Dacromet Screw Manufacturing Process ndi Quality Control Standards 

Chidule Nkhaniyi ikupereka chithunzithunzi chokwanira chaukadaulo wa Dacromet screw kupanga ndondomeko ndi miyezo yoyendetsera bwino. Imalongosola ukadaulo wokutira wa zinki, kuphatikiza kukonzekera pamwamba, kumiza, kupota, ndi machiritso, pomwe imafotokoza zazitsulo zotsimikizika zamakhalidwe monga makulidwe a zokutira, zomatira, ndi kukana kupopera mchere (mpaka maola 1500). Zomwe zili mkatizi zikuphatikiza machitidwe abwino amakampani ndi luso la Hebei Fujinrui Metal Products Co., Ltd., zomwe zimapereka chidziwitso chofunikira kwa mainjiniya, akatswiri ogula zinthu, ndi akatswiri omanga omwe akufunafuna zomangira zodalirika komanso zogwira ntchito kwambiri.

Chiyambi cha Dacromet Screw Technology

Pankhani yomanga ndi kumanga mafakitale, kukana kwa dzimbiri sikungokhala chinthu chofunikira koma chofunikira kwambiri pakupanga kukhulupirika komanso moyo wautali. Mwa njira zosiyanasiyana zochizira pamwamba, Zomangira za Dacromet Zapezeka ngati njira yabwino kwambiri, makamaka m'malo omwe ali ndi nyengo yoipa, mikhalidwe ya saline, kapena chiwawa chamankhwala. Dacromet, dzina lachizindikiro lomwe nthawi zambiri limagwiritsidwa ntchito pofotokoza makina opaka utoto wa zinki, amagwiritsa ntchito kuphatikiza kwapadera kwa zinc ndi aluminium flakes zoyimitsidwa mu binder ya inorganic. Kapangidwe kameneka kamapanga chotchinga chomwe chimapereka chitetezo chapadera ku dzimbiri, kupitilira njira zachikhalidwe zama electroplating.

Kwa opanga ndi ogwiritsira ntchito mapeto, kumvetsetsa njira yopangira ndi miyezo yoyendetsera khalidwe la Dacromet screws ndikofunikira. Imawonetsetsa kuti zomangira zomwe zasankhidwa kuti zigwire ntchito, kaya zamagalimoto, zomangamanga, kapena mphamvu zongowonjezwdwanso—zikukwaniritsa zofunikira zogwirira ntchito. Nkhaniyi ikufotokoza za njira zovuta kupanga zomangira zapamwamba za Dacromet, ndikuwunika zaukadaulo zomwe zimatanthawuza kulimba kwawo. Kuphatikiza apo, ikuwonetsa momwe opanga okhazikika amapangira Malingaliro a kampani Hebei Fujinrui Metal Products Co., Ltd. Phatikizani umisiri wapamwamba kwambiri wokutira ndi kupanga molondola kuti apereke zinthu zokhazikika, zogwirizana ndi miyezo kumisika yapadziko lonse lapansi.

Mapangidwe ndi Njira Zopangira Dacromet

Kuti mumvetsetse zovuta zopanga, munthu ayenera kumvetsetsa kaye zomwe zimakutira Dacromet. Mosiyana ndi plating wamba wa zinki, womwe umadalira gawo loperekera nsembe la zinki, zokutira za Dacromet zimapangidwa ndi tinthu tating'onoting'ono ta zinki ndi aluminiyamu. Ma flakes awa amaphatikizana, ndikupanga kapangidwe ka labyrinthine komwe kumalepheretsa kwambiri kulowa kwa zinthu zowononga monga chinyezi ndi mpweya.

Zinc ndi Aluminium Synergy

Kugwirizana pakati pa zinki ndi aluminiyamu ndiye mwala wapangodya wa mphamvu ya Dacromet. Zinc imapereka chitetezo cha cathodic, kutanthauza kuti idzawononga kwambiri gawo lapansi lachitsulo, potero imateteza wononga ngakhale zokutirazo zikukanda pang'ono. Aluminium, kumbali ina, imapereka chitetezo chabwino kwambiri chotchinga ndikuwonjezera kukana kwa zokutira kutentha ndi mankhwala. Chiyembekezo chodziwika bwino chimaphatikizapo kuchuluka kwa zinki flakes ndi gawo laling'ono la ma flakes a aluminiyamu, onse omangidwa pamodzi ndi chromium-based or chromium-free binder, kutengera malamulo a chilengedwe ndi zofunikira zinazake.

Katundu wa "Kudzichiritsa".

Ubwino wosiyana wa zomangira za Dacromet ndi kuthekera kwawo "kodzichiritsa". Pamene ❖ kuyanika ndi pansi yaing`ono mawotchi kuwonongeka, ndi nthaka particles moyandikana ndi kuonongeka dera akukumana makutidwe ndi okosijeni. Kapangidwe ka okosijeni kameneka kamapanga mchere wa zinki womwe umatsekereza kukandapo, kuletsa dzimbiri kufalikira pansi pa zokutira. Izi ndizofunikira kwambiri pazomangira zomwe zimagwiritsidwa ntchito pamagetsi osunthika pomwe kugwedezeka kapena kukulitsa kwamafuta kungayambitse mayendedwe ang'onoang'ono komanso kupsinjika kwa zokutira.

Njira Yopanga Pang'onopang'ono ya Dacromet Screws

Kupanga zida zapamwamba za Dacromet ndi njira yamitundu yambiri yomwe imafuna kuwongolera kolondola kwa chemistry, kutentha, ndi kuwongolera makina. M'malo ngati omwe amayendetsedwa ndi Hebei Fujinrui Metal Products Co., Ltd., njirayi imaphatikizidwa molunjika, kuwonetsetsa kuti sitepe iliyonse-kuchokera ku zopangira zopangira mpaka zokutira komaliza-imayang'aniridwa kuti ikhale yabwino. Njira yopangira ntchito nthawi zambiri imatsata magawo ovuta awa:

1. Yaiwisi Kusankha Zofunika ndi Cold Forging

Ulendowu umayamba ndi ndodo zapamwamba za waya wa carbon steel. Kusankha kalasi yachitsulo ndikofunikira, chifukwa kumatsimikizira mphamvu yamakina a screw yomaliza. Kwa ntchito zamphamvu kwambiri, chitsulo chapakati cha carbon kapena alloy steel nthawi zambiri chimasankhidwa. Wayayo amakokedwa ndi mainchesi ofunikira kenako amawalowetsa m'makina ozizira opangira. Apa, mutu wa screw umapangidwa, ndipo shank imakonzedwa kuti ipangike. Kuzizira kozizira kumateteza kapangidwe ka chitsulo, kumapangitsa kuti chitsulocho chikhale cholimba komanso kuti musatope.

2. Kugudubuza Ulusi

Pambuyo pamutu, zomangira zimadutsa ulusi. Izi zimaphatikizapo kukanikiza ulusi mu shank pogwiritsa ntchito ma dies olimba. Mosiyana ndi ulusi wodula, womwe umachotsa zinthu ndikupanga mfundo zofooka, kugubuduza ulusi kumachotsa chitsulo, zomwe zimapangitsa kuti ulusi ukhale wolimba komanso wolimba. Kulondola pagawoli ndikofunikira kuwonetsetsa kuti zomangirazo zikukwaniritsa miyezo yapadziko lonse lapansi monga DIN, ISO, kapena ANSI, zomwe zimalola kuti zigwirizane ndi mtedza ndi mabowo odulidwa.

3. Chithandizo cha Kutentha

Kwa zomangira zamphamvu kwambiri, chithandizo cha kutentha ndi gawo lovomerezeka. Ma fasteners amatenthedwa ku kutentha kwapadera ndiyeno amazimitsidwa ndi kutenthedwa. Njirayi imasintha microstructure yachitsulo, kukwaniritsa kuuma komwe kumafunidwa ndi mphamvu zowonongeka. Komabe, chithandizo cha kutentha chikhoza kuyambitsa zoopsa za hydrogen embrittlement, zomwe ziyenera kuyang'aniridwa mosamala musanayambe kupaka. Kutentha koyenera kumatsimikiziranso kuti wonongayo imakhalabe ndi makina ake pansi pa katundu ndi kutentha kosiyanasiyana.

4. Kukonzekera Pamwamba ndi Kuyeretsa

Musanagwiritse ntchito zokutira za Dacromet, zomangirazo ziyenera kukhala zoyera bwino. Mafuta aliwonse, mafuta, dzimbiri, kapena oxide pamwamba pake amalepheretsa zokutira kuti zisamamatire bwino. Ntchito yoyeretsa nthawi zambiri imaphatikizapo:

• Kuchepetsa mafuta: Kuchotsa zowononga organic pogwiritsa ntchito zotsukira zamchere kapena zosungunulira.
• Pickling: Kugwiritsa ntchito njira za asidi kuchotsa dzimbiri ndi sikelo.
• Kuchapira: Kutsuka bwino kuchotsa mankhwala aliwonse otsalira.
• Kuyanika: Kuonetsetsa kuti mbalizo zauma kwathunthu kuti musamachite msanga ndi kusamba kwamadzi.

M'malo ena apamwamba, kuphulika kwa mfuti kungagwiritsidwe ntchito kuti apange mawonekedwe ang'onoang'ono apamwamba, omwe amachititsa kuti zokutira zimamatira.

5. Dipping ndi Spinning (Centrifuging)

Ichi ndiye maziko a ntchito ya Dacromet. Zomangira zotsukidwa zimakwezedwa m'madengu okhala ndi perforated ndikumizidwa mubafa la Dacromet. Kusamba kumakhala ndi zinc-aluminiyamu flakes zoimitsidwa mu njira yothetsera. Pambuyo pa kumizidwa, madengu amasamutsidwa ku centrifuge. Ntchito yopota imagwira ntchito ziwiri: imachotsa zinthu zowonjezera zowonjezera kuti zitsimikizike kuti makulidwe a yunifolomu, ndipo imagawira chophimbacho mofanana pamtunda uliwonse, kuphatikizapo ulusi ndi pansi pamutu. Izi ndizofunikira kuti mupewe kudontha, kuphatikizika, kapena kubisala kosagwirizana, zomwe zitha kusokoneza magwiridwe antchito.

6. Pre-Curing and Curing

Akapota, zomangirazo zimaperekedwa kudzera mu uvuni wochiritsira. Njira yochiritsa imaphatikizapo kutenthetsa zomangira zokutira ku kutentha komwe kumakhala kuyambira 300 ° C mpaka 320 ° C. Panthawi imeneyi, madzi ndi organic solvents mu binder amasanduka nthunzi, ndi organic zigawo zikuluzikulu sinter pamodzi, kupanga zolimba, ceramic ngati masanjidwewo kuti zokhoma nthaka ndi flakes aluminiyamu m'malo. Kutentha ndi nthawi ziyenera kuyendetsedwa bwino; Kusakwanira kuchiritsa kumabweretsa kusamata bwino komanso zokutira zofewa, pomwe kuchiritsa kopitilira muyeso kungayambitse kuphulika kapena kusinthika.

7. Pambuyo pa Chithandizo ndi Kupaka mafuta

Kutengera ndi ntchito, topcoat kapena lubricant angagwiritsidwe ntchito. Chosanjikiza ichi chitha kupititsa patsogolo kukana kwa dzimbiri, kupereka ma coefficients apadera owongolera ma torque, kapena kusintha mawonekedwe okongola. Kwa zomangira zodzibowolera zokha, monga zomwe zimapangidwa ndi Hebei Fujinrui, zokutirazo ziyenera kukhala zolimba kuti zitha kupirira pobowola popanda kuphulika, kuwonetsetsa kuti wosanjikiza wotetezayo umakhalabe wolimba ngakhale utatha kuyika.

Miyezo Yoyang'anira Ubwino wa Dacromet Screws

Kupanga ndi theka la equation; Kuwongolera kwapamwamba (QC) kumawonetsetsa kuti gulu lililonse la zomangira za Dacromet likukwaniritsa zomwe zanenedwa. M'gawo la B2B, komwe kudalirika kuli kofunika kwambiri, kutsata miyezo yapadziko lonse sikungakambirane. Hebei Fujinrui Metal Products Co., Ltd. imagwiritsa ntchito njira yonse ya QC yomwe imayang'anira gawo lililonse la kupanga, kuyambira pakuwunika kwazinthu zopangira mpaka kutsimikizira komaliza komanso kuyesa kupopera mchere.

Kuyeza makulidwe a Coating

Makulidwe a zokutira za Dacromet ndiye chizindikiro chachikulu chachitetezo chake. Zodziwika bwino nthawi zambiri zimafunikira makulidwe a zokutira pakati pa 8 ndi 12 ma micrometer, ngakhale izi zitha kusiyanasiyana kutengera zomwe kasitomala amafuna. Akatswiri owongolera kakhalidwe kabwino amagwiritsa ntchito maginito opangira maginito kapena zida za X-ray fluorescence (XRF) kuyeza makulidwe pazigawo zingapo pa screw, kuphatikiza mutu, shank, ndi ulusi. Kuchulukana kofanana kumateteza ku dzimbiri kofananira komanso kumateteza zovuta pakuyika ulusi.

Kuyesa kwa Adhesion

Chophimba chimakhala chothandiza ngati chikhala pa gawo lapansi. Mayesero amamatira amachitidwa kuti atsimikizire kuti Dacromet wosanjikiza zomangira motetezeka ku chitsulo. Njira zodziwika bwino ndi izi:

• Mayeso a Tepi: Kuyika tepi yomatira yolimba pamtunda wokutidwa ndikuyikoka mwachangu. Palibe zokutira zomwe ziyenera kuchotsedwa.
• Bend Test: Kupinda misala kapena chitsanzo chokutidwa kuti muwone ngati mukusweka kapena kusenda kwa zokutira.
• Kuyesa Kwamphamvu: Kugwetsa cholemetsa pamalo ophimbidwa kuti muwone kukana kugwedezeka kwamakina.

Kulephera pamayesero amamatira kumawonetsa zovuta pakukonzekera kapena kuchiritsa kwapamwamba, zomwe zimachititsa kuti kufufuzidwe mwachangu ndikusintha ndondomeko.

Kuyeza Kupopera Mchere (Kukaniza Kukaniza)

Mayeso otsimikizika a zitsulo za Dacromet ndi mayeso osalowerera a mchere (NSS), omwe amachitidwa motsatira miyezo monga ASTM B117 kapena ISO 9227. Pachiyeso ichi, zitsanzo zimawonekera ku chifunga chosatha cha 5% sodium chloride solution pa kutentha kolamulidwa (nthawi zambiri 35 ° C). Nthawi yotengedwa kuti dzimbiri lofiira liwonekere pamwamba limalembedwa.

Zovala zapamwamba za Dacromet ziyenera kupirira maola 480 mpaka 1,000 popanda dzimbiri lofiira. Mapangidwe apamwamba, monga 1500H-voted anti-corrosion treatments operekedwa ndi Hebei Fujinrui, apangidwa kuti apitirire maola 1,500 osakanizidwa ndi mchere. Kugwira ntchito uku kumawapangitsa kukhala oyenera madera ovuta kwambiri, kuphatikiza madera a m'mphepete mwa nyanja, malo opangira mankhwala, ndi ntchito zakunja.

Torque-Tension Performance

Pazinthu zamapangidwe, friction coefficient ya screw ndiyofunikira. Kupaka kwa Dacromet kumakhudza mgwirizano wa torque-tension, womwe umatsimikizira kuchuluka kwa mphamvu ya clamping yomwe imapangidwira torque yomangika. Ma labotale a QC amayesa kuthamanga kwa torque kuti awonetsetse kuti zokutirazo zimapereka chiwopsezo chokhazikika komanso chodziwikiratu. Izi ndizofunikira makamaka pamizere yolumikizira makina pomwe kuwongolera kolondola ndikofunikira kuti tipewe kulephera kwamagulu.

Dimensional Inspection

Pomaliza, kulondola kwa dimensional kumatsimikiziridwa pogwiritsa ntchito geji yolondola komanso makina oyezera. Zofunikira zazikulu zimaphatikizapo kukwera kwa ulusi, ma diameter akulu ndi ang'onoang'ono, kutalika kwa mutu, ndi kutalika konse. Kutsatira miyezo monga DIN 931, DIN 933, kapena ISO 4014 ndikofunikira. Kudzipereka kwa Hebei Fujinrui kuti asunge zinthu zomwe zikugwirizana ndi miyezo zimatsimikizira kuti makasitomala amalandira zomangira zomwe zimakwanira bwino nthawi zonse, kuchepetsa zolakwika zoikamo komanso kuchedwa kwa polojekiti.

Kuyerekeza Kuyerekeza: Dacromet vs. Zovala Zina

Kuti mumvetse kufunika kwa zomangira za Dacromet, ndizothandiza kuzifanizitsa ndi mankhwala ena omwe amapezeka pamwamba. Tebulo ili likuwonetsa kusiyana kwakukulu pamachitidwe ndi kagwiritsidwe ntchito:

Monga momwe tawonetsera, Dacromet imapereka kuphatikiza koyenera kwa kukana kwa dzimbiri, mbiri yopyapyala (kusunga ulusi wokwanira), komanso kukhazikika kwa kutentha. Mosiyana ndi plating ya electro-zinc, simavutika ndi hydrogen embrittlement chifukwa machiritso amawotcha hydrogen iliyonse. Poyerekeza ndi galvanizing yotentha-dip, imapereka kutha kosalala komanso kulolerana kocheperako, ndikupangitsa kuti ikhale yabwino pakugwiritsa ntchito uinjiniya wolondola.

Kugwiritsa ntchito Dacromet Screws mu Viwanda

Kusinthasintha kwa zomangira za Dacromet zimalola kuti zigwiritsidwe ntchito m'mafakitale osiyanasiyana. Kukhoza kwawo kulimbana ndi zovuta zachilengedwe kumawapangitsa kukhala chisankho chokondeka pamakina ofunikira komanso makina.

Zomangamanga ndi Zomangamanga

M'gawo lomanga, zomangira za Dacromet zimagwiritsidwa ntchito kwambiri popanga zitsulo, denga, ndi kukhazikitsa kwa facade. Kukana kwa dzimbiri kumapangitsa kuti nyumba zizikhala zotetezeka komanso zokongola kwa zaka zambiri, ngakhale m'mphepete mwa nyanja kapena m'mafakitale. Zomangira zodzibowolera zokha zokhala ndi ma washer a EPDM, monga omwe ali patsamba la Hebei Fujinrui, ndizodziwika kwambiri pakuyika zitsulo, zomwe zimapereka zomangira zotetezedwa komanso zotsekera madzi.

Magalimoto ndi Maulendo

Makampani opanga magalimoto amafuna zomangira zomwe zimatha kupirira kukhudzana ndi mchere wamsewu, chinyezi, komanso kusinthasintha kwa kutentha. Zomangira za Dacromet zimagwiritsidwa ntchito pazigawo za injini, ma chassis, ndi mapanelo amthupi. Kupaka kwawo kopyapyala kumalola kuwongolera kolondola kwa torque, komwe ndikofunikira pamalumikizidwe otetezeka. Kuonjezera apo, kukana kwawo kumasulidwa kochititsa chidwi kumapangitsa kuti galimoto ikhale ndi moyo wautali.

Mphamvu Zongowonjezwdwa

Kuyika mphamvu za dzuwa ndi mphepo nthawi zambiri kumakhala m'malo owonekera pomwe kukonza kumakhala kovuta komanso kokwera mtengo. Zomangamanga zokhala ndi Dacromet zimapereka kudalirika kwanthawi yayitali kofunikira pamakina oyika ma solar panels ndi misonkhano ya turbine yamphepo. Zovala zosagwira dzimbiri za 1500H zimatsimikizira kuti zomangazi zitha kugwira ntchito bwino pakupanga moyo wawo wonse popanda kusinthira pafupipafupi zomangira.

Marine ndi Offshore

Ngakhale zitsulo zosapanga dzimbiri zimagwiritsidwa ntchito nthawi zambiri m'malo am'madzi, zomangira za Dacromet zimapereka njira yotsika mtengo pazinthu zambiri. Akaphatikizidwa ndi njira zoyenera zosindikizira, amapereka chitetezo champhamvu ku dzimbiri lamadzi amchere. Amagwiritsidwa ntchito kwambiri popanga zombo, nsanja zakunyanja, komanso zomangamanga zamadoko.

Chifukwa Chiyani Sankhani Hebei Fujinrui Metal Products Co., Ltd.?

Kusankha wopanga bwino ndikofunikira monga kusankha luso lopaka bwino. Hebei Fujinrui Metal Products Co., Ltd. imadziwika kuti ndi bwenzi lodalirika pamafakitale ndi zomangamanga padziko lonse lapansi. Yakhazikitsidwa mu 2004 ndipo ili ku Handan City, m'chigawo cha Hebei, kampaniyo yadzipangira mbiri yakuchita bwino kwambiri pakupanga zomangira zolimba komanso matekinoloje apamwamba oteteza dzimbiri.

Kupanga Zophatikiza Zophatikiza

Chimodzi mwazinthu zazikulu za Hebei Fujinrui ndi malo ake ophatikizika. Kutalikirana masikweya mita 10,000, malo opangirako amakhala ndi zida zoziziritsa bwino, kugudubuza ulusi, chithandizo cha kutentha, ndi mizere yokutira pamwamba. Kuphatikizana kumeneku kumapangitsa kuti pakhale kulamulira kwathunthu pakupanga, kuonetsetsa kuti khalidwe labwino ndi kufufuza. Kuyambira pakuwunika kwazinthu mpaka kuyesa komaliza kopopera mchere, gawo lililonse limayang'aniridwa ndi kasamalidwe kokhazikika.

Extensive Product Portfolio

Kampaniyo imapereka njira zambiri zomangirira zopangidwa mwaluso, kuphatikiza Zopangira Zodzibowola, Maboti Akunja ndi Amkati a Hexagon, Zopangira Makina, ndi Zida Zopangira. Zogulitsa zodziwika bwino ndi monga High Rust Resistance DIN931 Dacromet Hex Bolts, Hex Self-drilling Screws yokhala ndi EPDM Washers, ndi 1500H Corrosion-Resistant Coated Hexagon Self-Drilling Tapping Screws. Zogulitsa zonse zimagwirizana ndi zomwe dziko la America, Germany, ndi China, kuwonetsetsa kuti zikugwirizana padziko lonse lapansi.

ukatswiri waukadaulo ndi Thandizo la Makasitomala

Ndi akatswiri opitilira 200, kuphatikiza gulu laukadaulo lomwe lili ndi zaka zopitilira XNUMX, Hebei Fujinrui amapereka zambiri kuposa zogulitsa. Kampaniyo imapereka chiwongolero chakugwiritsa ntchito, kulumikizana kokhazikika, ndi mayankho opangira makonda. Thandizo lawo lamakasitomala limakhazikika pakuyankha komanso kuwonekera, kuthandiza makasitomala kuyang'ana zisankho zovuta zogulira ndikuwongolera maunyolo awo ogulitsa.

Kufikira Padziko Lonse ndi Kudalirika

Hebei Fujinrui amatumizira makasitomala ambiri padziko lonse lapansi, omwe amatumizidwa ku Europe, North America, ndi Middle East. Kukhazikika kokhazikika kwa kampaniyo komanso kukwaniritsidwa kwadongosolo kumathandizira kuti ikwaniritse nthawi ya OEM komanso ma projekiti nthawi zonse. Motsogozedwa ndi chikhalidwe chotsogozedwa ndi kukhulupirika ndi khama, Hebei Fujinrui akudzipereka kuti athandizire pakukula kwa zomangamanga padziko lonse lapansi komanso kupita patsogolo kwa mafakitale.

Mapeto

Kupanga zomangira za Dacromet ndi njira yaukadaulo yomwe imaphatikiza sayansi yazitsulo ndi uinjiniya wolondola. Kuchokera pakusankhiratu bwino kwa zinki ndi aluminium flakes mpaka kuwongolera bwino kutentha kwa kutentha, sitepe iliyonse imathandizira kuti chinthu chomaliza chisamachite dzimbiri komanso magwiridwe antchito amakina. Miyezo yoyang'anira bwino, kuphatikiza kuyezetsa kupopera mchere wamchere ndikuwunika kumamatira, kuwonetsetsa kuti zomangira izi zikukwaniritsa zofunikira zamakampani amakono.

Kwa mabizinesi omwe akufuna njira zodalirika komanso zogwira ntchito kwambiri, kuyanjana ndi wopanga wodziwa bwino ndikofunikira. Hebei Fujinrui Metal Products Co., Ltd. ndi chitsanzo cha kuphatikizika kwaukadaulo wapamwamba, kuwongolera bwino kwambiri, komanso ntchito zamakasitomala. Kaya zomanga, zamagalimoto, kapena zongowonjezera mphamvu, zomangira zawo za Dacromet zimapereka kulimba komanso kudalirika kofunikira kuti muteteze ndalama zanu. Kuti mudziwe zambiri zamitundu yonse yazogulitsa ndi kuthekera kwawo, pitani Malingaliro a kampani Hebei Fujinrui Metal Products Co., Ltd. lero.