黄色免费一片中国,另类国产精品AV,国产在线国产久久a级片

Pursuit of qualitytirelessly seek improvement

Sincerely cooperate with friends from all walks of life to create a brilliant tomorrow together

More

PassISO9001:2008Quality management system certification

TUV CE certification, CCS factory certification, DNV.GL factory certification, ABS factory certification, AWS welding certification

More

Committed to building steel structure non-standard equipmentAdvantage brand

The production management team of the company always keeps in mind the business tenet of "quality-oriented, science and technology as the driving force, market as the guide and customer demand as its own responsibility", and regards customer satisfaction

More

Nantong Zhonghai Steel Structure Co., Ltd

Nantong Zhonghai Steel Structure Co., Ltd, established in 2007, is a professional steel structure company with 18 years' experience specializing in manufacturing all kinds of non-standard equipment. We have passed EN1090-2 EXC3 and ISO3834-2 certification, ISO9001 quality management system certification, CCS factory certification, DNV.GL factory certification, ABS factory certification, AWS welding certification. We have an experienced technical team of 80 people, a front-line production team of over 300 people, 1 IWE International Welding Engineer, 1 CWI Welding Inspection Engineer and 10 licensed structural and painting inspectors.

SPECIALIZING IN THE PRODUCTION OF VARIOUS STEEL STRUCTURES, PORT MACHINERY, METALLURGICAL MINING MACHINERY, EQUIPMENT MANUFACTURING, SHIP OUTFITTING PARTS, OFFSHORE WIND POWER STEEL STRUCTURES

Specializing in the production of various steel structures, port machinery, metallurgical mining machinery, equipment manufacturing, ship outfitting parts, offshore wind power steel structures

  • 35000m2

    Company floor area

  • 16000m2

    Plant area

  • 15000t

    Annual output

  • ISO9001

    Quality management system certification

ZHONG HAI STEEL STRUCTURE

Case

ALL Steel Mill Equipment Metallurgical and Mining Equipment Pulp and Paper Equipment Wind power equipment Ship and Off-Shore Engineering Tertiary Structure Ocean engineering Assembled building component

ZHONG HAI STEEL STRUCTURE

MAIN STRENGTHS

ZHONG HAI STEEL STRUCTURE

COOPERATIVE PARTNER

精品在线观看91_三级网站在线观看视频_国黄产特大黄色片Aaa_成人一级黄影欧美三级色_国产亚洲va综合人人澡精品_性爱av一区av写真福利网_亚洲无码av潮喷在线观看_国产AV丝袜AV元码_免费黄色片2特级AⅤ_亚洲色图一区二区三区 欧美成人一级草久影院_欧美精品一区二区在线视频观看_日韩人妻高清无码播放视频_91少妇自慰精品人人干_亚欧国产性爱在线字幕_亚洲性爱自拍AV_日本制服丝袜首页_不卡的av每日更新_色婷婷一区二区三区AV免费看_成人无码18在线观看 91精品超碰超碰在线_免费欧美黄色91羞羞_成人手机在线免费观看的AV电影_成年少妇免费播放_日韩两国特黄色片_亚洲天堂乱伦亚洲三级片黄色_sss999超碰怡红院_无码女人一级黄片_国产黄色操逼视频_黄色三及片国产免费看 AA级的黄片久久免费干_黄色片子网站大全在线_美女av三区三级黄色片_久丫草视频免费在线_微地址91熟女导航_岛国无码特片午夜999_无码激情日韩在线视频人人爱_国产人久久人人人人爽_波多野结衣一级片_成年人A级毛片在线播放 一级黄片三级黄片视频_波多野结衣色情电影_综合a片大全aV网站_手机av无码性爱99式视频_亚洲一级aV无码毛片久久精品_免费看片成人网站_99国产激情视频_性中国视频一区二区_欧美超碰在线观看15P_老司机成人福利视频 无码淫乱电影婷婷Av女久久_久久亚洲精华国产精华精华液_AV播放地址一二AV_成人精品日韩成人电影一区_在线观看AV网站_久久国语对白欧美二级片_在线看片av久草草视频观看_国产精品久久久久久久婷婷J_亚洲一区二区三区欧美日韩动漫_老司机视频爱就色色
亚洲成人AV免播放器观看 国产成人av网站 日韩av久久久网站 日本在线无码播放器 在线视频免费观看99一区二区三区 韩国主播福利网四区
日本免费成人网偷怕久久 国产高清无码内射 亚洲欧美顶级A片在线在线播放 aaa成人免费视频 99av美女彼免费av一级片 国产一区二区三区四区五区免费观看
国产探花视频在线观看 黄色成人在线电影 日韩无码视频一二三区 青青草欧美一级久久大片 91影院中文字幕 久久思热国产大片无码