fabricant de plaques d'acier professionnelle

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Longkou Hongchang métallique Products Co., Ltd est situé dans l'est de Longkou, Yantai, Qingdao dans le sud, à travers la mer de Dalian dans le nord, avec le transport développé et la situation géographique.

Hongchang se spécialise dans la production de divers caillebotis en acier, couvertures de tranchées, pédales, acier galvanisé à chaud grille, caillebotis en acier en forme spéciale, les produits etc.Our sont vendus partout dans le pays et exportés vers l'Europe, l'Amérique, l'Afrique, l'Asie du Sud-Est et d'autres pays et regions.With qualité stable et un service de haute qualité, nos produits sont bien reçus par les clients à la maison et de l'acier abroad.Our réseau sont largement utilisés dans le pétrole, l'industrie chimique, les centrales thermiques, traitement des eaux usées, les ponts municipaux, la nourriture, l'aquaculture et d'autres industries.

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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...