久久久久无码中,欧美肥妇毛多水多bbxx,国产香蕉一区二区三区在线视频,在线观看无码av网站永久,青青草国产免费久久久,青青国产线免观,狠狠狼鲁亚洲综合网,成人午夜无码精品免费看

QianAn ZhengDa General Steel Pipe Co.,Ltd is affiliated with HanDan ZhengDa Steel Pipe Co.,ltd , established in October 2013 and located in the steel city of TangShan, near to four big international sea port of Qinhuangdao port, Jingtang port, Caofeidian port and Tianjin port, its geographic position is very good. From south to north, there are Beishui railway, Beiyang road, Qiancao highway. From east to west, there are Jingqian railway, Jingha highway, 102 national road, Jinqin high speed rail.
The convenient traffic will be a reliable guarantee for QianAn ZhengDa's high speed development.Our main products including the ERW pipe, hot-dip galvanized steel pipe, SSAW steel pipe, square and rectangular steel pipe,steel-plastic complex pipes. Our main manufacturing and testing equipment including the U.S. THERMTOOL high frequency welding machine, Lincoln welding machine, German direct reading spectrometer, Metallographic analysis instrument. Presently, We produce all kinds of steel pipes with the brand of“JiLi”2.6 million tons every year.
With the advantage of geography, natural resource,environment and human resource, also the development policy of scale development, professional development,our“JiLi”steel pipe has get the certificates of ISO9001-2008， ISO14001-2004， OHSAB18001-2007 and also the Special equipment manufacturing license of the People's Republic of China. We have now more than 100 sales outlets mainly in Neimeng, Northeast and Northwest of China, the sales network covers a distance more than 2000km.
With the company spirit of“Be decent man and do the great business” and the management philosophy of “ Treat people with Confucianism and manage the company with Legalism”， our company is doing our best to produce the classic steel pipe to satisfy the customer's need and also to develop the national industry.“Jili”Brand embodies the painstaking efforts of zhengda people，Converging our Wisdom，After ten years of accumulation to create her，inheritance“Rainbow”excellent quality，occupy the right place at the right time.“jili”and“Rainbow”Based on the ten years of experience，leading the industry to create brilliant.“Upright, decent,honest, generous”is the morality of the Zhengda people,“pursuit of excellence and create the eternity”is our faith.QianAn ZhengDa General Steel Pipe Co.,Ltd. will inherit all of there valuable spirit to pursuit excellence in the steel pipe industry, making the“spirited steel pipe”, to prompt the quality of the social life and prompt the transformation and upgrading of the steel pipe industry.


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： 无码精品a∨在线观看无广告 国产精品呻吟av久久高潮 亚洲伊人久久大香线蕉 狠狠久久精品中文字幕无码 成人午夜视频一区二区无码 av天堂亚洲区无码小次郎 在线观看国产成人av片 性欧美老人牲交xxxxx视频 中文人妻av久久人妻水蜜桃 欧美亚洲综合成人专区 国产精品被窝福利一区 青青草国产成人久久电影 狂猛欧美激情性xxxx大豆行情 两个人看的www免费视频中文 久久精品aⅴ无码中文字字幕 久久99久久99久久综合 久久人人爽av亚洲精品 av色综合久久天堂av色综合 国产av一二三无码影片 羞羞影院午夜男女爽爽在线观看 国产免费网站看v片在线观看 九九热久久只有精品2 国产免费啪嗒啪嗒视频看看 免费精品国产一区二区三区 国产在线无码不卡影视影院 亚洲精品久久无码av片 亚洲成本人无码薄码区 狠狠色狠狠色综合久久蜜芽 精品视频国产香蕉尹人视频 久久精品娱乐亚洲领先 亚洲综合久久久久久888| 国产片av国语在线观看手机版| 久久久久 亚洲 无码 av 专区| 亚洲日本中文字幕在线四区| 国产午夜成人精品视频app| 国产免费视频青女在线观看| 亚洲精品自偷自拍无码忘忧| 国产亚洲综合久久系列| 最新亚洲国产手机在线| 久久婷婷综合色丁香五月| 日本强伦姧人妻久久影片|