pvc七孔梅花管是以pvc粒子为主要材料加上其他配方经过独特的模具而形成的一种梅花状的通信管材，又称梅花管和蜂窝管。
每根管材的长度连起来不一定和人井之间的长度一样，在这种情况下，根据实际的人井的长度，距离量好管材的长度，并用钢锯锯断，一定要锯平整齐，此种管材内壁光滑，直接可穿光缆，可节省工时，其结构合理，使用价值高，寿命长。它主要用于移动、铁通、联通、网通、广电、电力等通信电缆护套管。
七孔梅花管采用多孔一体结构，刚度好，手里均匀。产品内壁摩擦系数小，穿缆轻快，施工简便易行。具有多个孔位，可预留管孔，提高通信孔位利用率。产品适用温度范围较大，在热带及寒冷地区均可使用。梅花管使用寿命在埋深条件下大于30年以上。管材的色泽均匀一致，颜色为白色，可根据用户要求，也可定制其他颜色。
Yantai Yuheng Pipe Industry Co., Ltd. is a comprehensive enterprise specializing in pipeline R&D, manufacturing, production and sales. The leading products are: CPVC power sheathed pipe, MPP power sheathed pipe, PE plum blossom pipe, PE threading pipe, PE water supply pipe and corresponding supporting pipe fittings. We will carry out 24-hour after-sales service and we will continue to develop and improve according to our strong financial strength.
Since its establishment, the company has passed the so9001 quality management system certification and lSO14001 environmental management system certification, and in 2016 with the national grid e-commerce platform electronic key. Products obtained: green environmental protection products, high-quality building materials and other titles, was rated as quality, service, reputation AAA-level enterprises. Since 2014, it has been supporting projects such as Zhujiang Road, Jialingjiang Road, Qihe Road, Hengshan Road, Xining Road and Taiyuan Road, Fushan District County Street Lighting Project, Vanke Real Estate Supporting Project, and Shangang Country Garden Emerald City Supporting Project. The Gate Tower Landscape Avenue supporting project and the Wanda Plaza buried power cable supporting project in the development zone have made due contributions to many key power projects in the province and won the trust and praise of customers.
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