亚洲最大av资源网在线观看-日本欧美视频在线观看三区-92午夜福利少妇系列-狠狠色丁香婷婷综合潮喷-国产极品女主播国产区

“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.

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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
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