亚洲永久网址在线观看_777亚洲熟妇自拍无码区_中国久久_忘忧草www日本高清_国产一起色一起爱_欧美亚洲91

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: 国产黄漫 | xxoo亚洲精品久久一区激情 | 国产成人精品免费在线观看 | 在线观看 一区 | 年轻的老师4完有限中字 | 推川悠里在线观看av影片 | 久久免费一级视频 | 成人av片在线观看 | 国产精品自拍第一页 | 人人鲁人人莫一区二区三区 | 天天操天天爽天天射 | 四虎在线视频观看 | 波多野结衣亚洲一区二区 | 中文日产幕无线码一区有限公司 | 亚洲午夜一区二区 | 南海有色南海灵通南海有色 | 国产日韩视频在线 | 国产一二三四ts人妖 | 蜜桃av色偷偷av | 亚洲狠狠久久综合一区77777 | 美女亚洲一区 | 操小姨子视频 | 九色porny丨首页在线 | 中日韩欧美在线观看 | 综合网亚洲成色最大综合在线 | 欧美情侣性视频 | 97日日夜夜 | 国av在线 | 妺妺窝人体色www在线小说 | 日日日干 | 国产果冻豆传媒麻婆 | 国产黄色理论片 | 自拍偷拍视频网 | 中文字幕一区二区三区在线不卡 | 色中色网址 | 动漫羞免费网站中国字幕 | 国产性夜夜春夜夜爽有声小说 | 日韩a无码av一区二区三区 | 久久国产欧美 | 亚洲无av码一区二区三区 | 日韩在线一级 |