<output id="zupft"></output>

<code id="zupft"><nobr id="zupft"></nobr></code>

    <code id="zupft"><small id="zupft"></small></code><code id="zupft"><nobr id="zupft"><sub id="zupft"></sub></nobr></code>

      1. <th id="zupft"></th><code id="zupft"><small id="zupft"><track id="zupft"></track></small></code>
        <th id="zupft"></th>
        <code id="zupft"><nobr id="zupft"><track id="zupft"></track></nobr></code>
        <big id="zupft"><em id="zupft"></em></big>
        construction machinery

        Plastic moulds

        • Road Curbstone Series
        • Concrete Manhole Series
        • Cover and U drains
        • Interlocking pavers and blocks
        • Railway/highspeed way fence
        • Others for the Road project
        • Roman Pillars and Columns
        • Balustrade and Post
        • Window and Roof Lines
        • Flower Pots and Animal moulds
        • All fencing mould
        • Silicone and stamp moulds
        • Vibration Table
        • Pigment
        • NEW Products
        construction machinery equipment
        Rainwater cover plate60x40x5.5

        In daily life, Concrete Manhole Covers are more and more common. Manhole covers for sewers, power cables, municipal pipelines, communication pipelines, etc. Compared with cast iron manhole cover, cement manhole cover is more environmental protection, lower cost, anti-theft and other advantages.

        So how to make Concrete Manhole Cover?

        Using plastic mold to produce cement manhole cover is the best way.  choose good quality plastic mold is very important.

        The cement, sand and stone are mixed with appropriate amount of water in the proportion of 1:2:3, poured into the mold, and formed by Vibration table. In order to increase the pressure resistance and bearing capacity, steel bars, steel mesh or glass fiber can be appropriately added. 6-12 hours demoulding. After demoulding, spray water several times a day for curing. It can be used and sold in 2-3 days

        The biggest advantage of concrete manhole cover is simple production, quick demoulding, smooth appearance, recyclable mould use and accurate product size. Welcome to choose our company's concrete plastic mold. 

         mmexport1608014514698.jpgmmexport1608014522208.jpg


        青青精品国产自在线拍,欧美日韩在线,精品国产自在线拍无码av高清毛片在线看_日本一级特黄大片_日本毛片免费视频观看