亚洲第一黄片欧美色图久久,国产日韩欧美88页,国产美女久久毛片黄在线

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

黄色三级乱仑视频_伊人精品A片一区二区三区_久久久久亚洲AV成人网站_成人在线看免费的av_国产一级黄色网址_无码不卡天然超碰100亚洲_91在线精品视频播放_做爱视频很黄三级的_亚洲毛片一区二区无码_黄色视频免费日本 无码不卡永久视频自拍_中国一级特黄毛片_东京热一区二区三区_亚洲视频激情三级片免费体验_久久嫩草91婷婷操在线_亚洲夜间视频网站_国产激情欧美激情一区二区三区_人妻另类视频亚洲午夜福利院_成年黄片视频91婷婷色_亚洲一区二区三区激情色图 国产成人精品国内_jiujiuav5_中泰一级黄片视频_亚洲有码播放日韩一本无码网_无码破解乱伦欧美日韩噜噜噜_成人精品野外免费看片_日韩黄片在线播放_久久综合久久男人视频_成人毛片在线播放_在线日韩AV五月天 久草中文在线成人瑟瑟_成人电影一区无码_在线播放亚洲一级的免费的_少妇同事久久大色片网站上t_又大又长又粗又硬免费视频_国产精品不卡无码av在线播放_97色色在线视频_一级黄色毛片120秒_毛片黄片a片伊人二区_中文字幕人妻在线中文 久操日韩Av人人操精品_国产一级免费久本草精品_成人免费无码视频_国产在线视频中文字幕_a国免费午夜在线小视频_中文字幕在线不卡第一区_日韩国产簧片免费看_日韩一二三四区无码_中国一级黄片免费_日日日韩无码日本a网站电影 日韩不卡一级免费_国产高清无码电影_亚洲中文性爱性欧美精品中出_Cao在线免费观看_国产黄色A片电影_蜜桃AV在线免费观看_久久情情婷婷黄色片AA_激情无码性爱久久亚91_蜜臀aV一区二区三区绯色_亚洲成人A片电影
波多野结衣无码精品一区 永久免费日韩无码成人福利 日本高清精品久久久久黄色视频 蜜臀久久av操操影院 国产极品影院在线艹人妻 国产福利一级二级
在线观看中文无码另类 加勒比东京热无码字幕 中文无码av毛片 免费av不卡在线观看 日韩一二三四日本国产东京热 亚洲三级片网页亚州色婷婷
成人性交毛片兽AV 日爱免费视频日韩欧美一二三 五月丁香欧美婷婷中文字幕 日本123区无码视频 欧美在线精品一区 国内三级片视频黄片A大全