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Longkou Hongchang Metallic Products Co., Ltd. leit yn it easten fan Longkou, Yantai, Qingdao yn it suden, oer de see út Dalian yn it noarden, mei ûntwikkele ferfier en geografyske lokaasje.

Hongchang is spesjalisearre yn 'e produksje fan ferskate stiel grating, trench covers, pedalen, hot-dip galvanized stielen grating, spesjale-foarmige stielen grating, etc.Our produkten wurde ferkocht alles oer it lân en eksportearre nei Jeropa, Amearika, Afrika, Súdeast Azië en oare lannen en regions.With stabile kwaliteit en hege kwaliteit service, ús produkten wurde goed ûntfongen troch de klanten thús en abroad.Our stiel grating wurde in soad brûkt yn piteroalje, gemyske yndustry, termyske macht planten, rioelwetter behanneling, gemeentlike brêgen, iten, aquaculture en oare yndustry.

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  • How do high-credit manufacturers ensure the quality of steel gratings?
    When the user chooses the steel grille, in addition to reviewing their production strength, they also need to criticize the manufacturer’s reputation, because only high-reputation manufacturers can better guarantee the quality of the product. So how do high-credit manufacturers guarantee p...
  • If the Grating Plate Is Used Improperly, It Will Reduce Its Service Life.
    After the hot-dip galvanized grating plate is produced, it is subjected to anti-rust treatment. There are 2 kinds of hot-dip galvanizing and electro-galvanizing. The hot-dip galvanized steel grating plant uses a surface treatment for the production of steel gratings. The galvanized steel grating...
  • Does The Steel Grating Need to Meet The User’s Requirements for Use?
    In the production process of steel grating, it is necessary to use a variety of technologies, only if it has a certain improvement in technology, will it really have the high quality of the product, then what kind of high technology does this product need? The first is that there is a need for h...
  • The Surface Treatment of the Steel Grating Also Satisfies Many Aspects of Functionality.
    When users use steel gratings, they often find that there is a layer of treatment on the surface, but the use of the field and different manufacturers will make this treatment very different, because of its sexual functionality. There is a certain difference in the performance, then what kind of...