日韩精品成人无码专区免费-亚洲熟妇自偷自拍另类-99久久国产综合精品女同-天天躁日日躁狠狠躁av麻豆-两女女百合互慰av赤裸无遮挡

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: 国产精品乱子伦xxxx裸| 日本免费人成视频播放| 精品国产乱码久久久久久郑州公司| 色一情一乱一乱一区99av| 久久精品aⅴ无码中文字字幕重口| 丰满少妇作爱视频免费观看| 一本色道久久综合狠狠躁篇| 国产免费mv大全视频网站| 欧美亚洲日韩国产综合电影| 久久午夜神器| 国内精品人妻无码久久久影院导航 | 国产精品无码一区二区在线看| 午夜片神马影院福利| 国产成人av一区二区三区在线| 狠狠色丁香久久婷婷综| 久热爱精品视频在线◇| 免费女人高潮流视频在线观看 | 日日av拍夜夜添久久免费| 男人下部进女人下部视频| 国产精品熟女在线视频| 亚洲精品久久一区二区三区777| 亚洲欧美综合精品成人网| 男人放进女人阳道动态图| 四虎影视4hu4虎成人| 992tv精品视频tv在线观看| 久久精品动漫一区二区三区| 亚洲精品国精品久久99热一| 久久99亚洲精品久久69| 男人吃奶摸下挵进去啪啪软件| 免费久久99精品国产自在现| 神马影院午夜dy888| 狠狠久久永久免费观看| 精品丝袜国产自在线拍av| 福利姬国产精品一区在线| 激情内射亚洲一区二区三区| 男人的天堂av亚洲一区2区| 亚洲 欧美 自拍 小说 图片 | 国产精品嫩草99av在线| 成年女人毛片免费观看97| 国产精品美女www爽爽爽视频| 国产亚洲精选美女久久久久|