日韩亚洲国产综合久久久,一级香蕉免费毛片,久久久久免费,久久网页,可以在线观看的黄色网址,日韩在线免费视频,日韩欧美成末人一区二区三区

“Complete sincerity can affect even metal and stone”


Zhengda peoples hardworking receive praise from all the industry from society, and gain the trust from nationwide clients.
"Tianhong"qualified galvanized pipe, spiral pipe, square and rectangular pipe,steel-plastic
composites pipe were used in major construction projects of nation, province and city.

World Expo, Shanghai

Clicks:45882018-10-29 10:11:47

    • 【Responsible editor:】(Top)
    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