<menuitem id="pdhgm"></menuitem>
    <menuitem id="pdhgm"><em id="pdhgm"></em></menuitem>
    <strong id="pdhgm"></strong>

        国产综合成人久久大片,久久精品国产91久久麻豆自制,日韩不卡在线视频,狠狠色丁香婷婷综合欧美

        Handan Zhengda Steel Pipe Co.,Ltd.("ZHENG DA PIPE" in Chinese for short,and "ZDP" in English for short) is one of the ten supported enterprise by Handan city goverbment, one of the top 100 enterprises in Hebei province,Leading Enterprise of Hebei Industrial Cluster,one of the top 500 manufacturers in China, one of the ...

        more+

        PRODUCT CENTER


        more+

        Project Samples

        "Tianhong" and "Jili" steel pipes are widely used in key construction projects of many countries and provinces. They are widely used in oil pipelines, oil and gas transmission, water supply and drainage, tap water, fire fighting, gas, central heating, heating steam and other low-pressure fluid transmission and support, threading, steel structure, cold-formed profiles and other purposes.

        News bulletin

        Culture is the spiritual pillar of enterprise development. The broad and profound Chinese traditional civilization endows Zhengda with abundant corporate culture connotation. The company creatively puts forward the management concept of "treating people by Confucianism and managing factories by legalists".

        No.9, Juliang Ave, Cheng'an Industrial Zone, Handan, Hebei
        Qian'an Zhengda: North of Shuangma Road, Zhaodianzi Town, Qian'an, Tangshan, Hebei Province
        Shanxi Zhengda: Houbei Industrial Park, Houma City, Shanxi Province

        hotline

        TEL:+86-310-5231366/758/756/996
        ADD:No. 9 Juliang Avenue, Chengan Industrial Zone, Handan City, Hebei Province
        Wechat Service Number
        国产综合成人久久大片,久久精品国产91久久麻豆自制,日韩不卡在线视频,狠狠色丁香婷婷综合欧美 久久久国产精品无码免费专区| 国产精自产拍久久久久久蜜| 午夜精品久久久久久中宇| 久久99精品国产麻豆不卡| 三年片在线观看免费观看大全一| 国产乱子伦精品视频| 这里精品国产清自在天天线| 无码精品少妇一区二区三区99| 亚洲国产日韩精品一区二区在线| 国产伦理久久精品久久久久 |