中文字幕一级_久久久久国产精品夜夜夜夜夜_亚洲国产综合色产精品色在线_不卡av免费观看_性激烈的欧美三级视频_日本japanese超丰满

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
主站蜘蛛池模板: 最新91视频 | 美女脱18以下禁止看尿口 | 麻豆av久久一区二区三区 | 国产精品一线天在线观看 | 91国偷自产中文字幕久久 | 国产成人无码视频一区二区三区 | 中文字幕人妻无码一夲道 | 忘忧草在线影院www日本 | 亚洲美女自拍视频 | 领导边摸边吃奶边做爽在线观看 | 国产美女视频免费的 | 第九色区AV天堂 | 日本一本二本三区免费免费高清 | 国产欧美日韩在线观看视频 | 无码国产激情在线观看 | 韩国国内大量揄拍精品视频 | 欧美日韩视频无码一区二区三 | 亚洲精品久久国产高清情趣图文 | 欧美专区日韩视频人妻 | 欧美S码亚洲码精品M码 | 曰批全过程免费视频在线观看草莓 | 亚洲国产精品成人无码区 | 夜色资源站www国产在线视频 | 日韩深夜视频 | 日本一区二区久久久 | 成年人在线观看网址 | 91香蕉影院 | 少妇大叫太大太粗太爽了A片软件 | 国产精品高潮呻吟 | 男人天堂成人 | 国产各种高潮合集在线观看 | 国产精品无码av网站 | 亚洲VA欧美va国产va综合 | 日韩精品成人一区二区在线观看 | 在线视频一区二区 | 一区二区免费高清观看国产丝瓜 | 四虎影院在线免费播放 | 亚洲天堂2020| 新狼窝色AV性久久久久久 | 国产精品一区二区果冻传媒 | aa亚洲一区一区三区 |