国产在热线精品视频99

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    Professional grating solution supplier. Top grating manufacturer in China.

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    Welcome to our company

    About Us

    Ningbo Jiulong Machinery Manufacturing Co., Ltd (NJMM)
    Is one of the leading manufacturers specializing in producing press-welded steel grating in China. Located in the famous port city —Ningbo.
    It has convenient traffic and superior location with only 30-minute drive to Ningbo Lishe International Airport and only 25-minute drive to Ningbo Port—the famous international sea port with the advantage of non-silting, deep-water and ice-free all year round.

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    Latest News

    • Special shaped steel gratings Ningbo Jiulong Manufacturing Manufacturing Co., Ltd offers tailor made grating panels as per fabrication drawings. In our workshop, there is an automatic acetylene cutting machine which can process grating panel with max size up to 7500 mm long?and 3000 mm wide. ? ? ...
    • Working platforms and aisle?steel gratings?shall be designed to avoid tripping of?pedestrians. To avoid tripping of?pedestrians, steel gratings?shall be flat and the height difference between adjacent steel gratings, steel gratings?and members shall not exceed 4mm. In order to prevent the risk of...
    • Special-shaped steel grating?is made of various irregular shaped steel grating?and platen according to customers’ requirements by cutting the welded steel grating?and so on. The features of special-shaped steel grating?are as follows: 1)?Assembled for round, trapezoid, semicircle, sector; 2...
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      Tree grating

      The main body of the tree pool cover is composed of two or four symmetrical plates butt joint. The center of the cover body is provided with a tree hole, and a plurality of water leakage holes are arranged around the tree hole. The tree pool is mainly used for the greening trees on both sides of ...
    • The grating that the pitch between bearing bar is 30mm, is most widely used type in industrial field. In normal types, it has the strongest resistance to surface lash. The grating that the pitch between bearing bar is 40mm, is most economical and lightest type. It is the best choice for you on oc...
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    国产在热线精品视频99

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