自偷自拍亚洲欧美清纯唯美-自偷自偷自亚洲首页精品-自偷自偷自亚洲永久-宗合久久-国产一卡-国产一卡2卡3卡四卡高清

NHI Profile

Northern Heavy Industry Group Co., Ltd. (hereinafter referred to as "NHI") is a large equipment research and development and manufacturing enterprise under Liaoning Fangda Group Industrial Co., Ltd. (hereinafter referred to as "Fangda Group"). The enterprise was founded in 1921 and formed by the merger and reorganization of the former Shenyang Mining Machinery Factory and Shenyang Heavy Machinery Factory.

It is the first heavy machinery factory in New China to resume production, and has assisted the construction of China First Heavy Industries, China National Erzhong Group Co, Taiyuan Heavy Machinery Group Co., Ltd, Luoyang Mine Machine Factory, China Second Automobile and other enterprises, known as the "cradle of New China's heavy machinery industry". NHI has a long history, a large number of talents, has an important position in the field of heavy machinery manufacturing at home and abroad, and is the core backbone enterprise of China's equipment manufacturing industry. NHI's main products serve a number of industrial categories, and are widely used in mining, metallurgy, bulk material handling, tunnel engineering, electric power, building materials and other industries. in the automotive parts, oil fracturing, scientific research equipment, aircraft maintenance and other fields, NHI continues to expand the market, become a new economic growth point for enterprises. North Heavy Industry also has EPC complete set of total contracting capacity, can provide the majority of users with project total contracting services.

NHI has a complete design, testing, testing and measurement means, with more than 140 patents and proprietary technology, more than 200 sets  of new products to fill the national gap, more than 100 products and technologies won the national science and technology awards at all levels. NHI is a national technological innovation demonstration enterprise, with a national recognized enterprise technology center, the national key laboratory of intelligent mining and equipment of deep earth metal mine, and a postdoctoral workstation.


91无码人妻精品一区二区三区蜜桃 | 无码一区二区三区大片性色快播 | 精品91 海角乱在线观看 | aVaV一区二区| 黄网站免费进入入口 | 国产又爽又粗又猛又色的视频 | 亚洲国产精品一区 | 成人无码国产一区二区在线观看 | 欧美一级做一级a 做片性视频 | 欧美日产国产成人免费点 | 国产69久久精品 | 裸体美女免费视频软件 | 日本一区不卡视频 | 亚洲国产日韩一区无码精品久久久久 | 亚洲AV久久无码秘 原神 | 一本大道香蕉在线播放 | 免费无码婬AAAA片解说 | 国产麻豆精品成人免费视频 | 无码人妻精品一区二区三区蜜 | 无套内谢的新婚少妇白浆小说 | 欧美性Jizz18性欧美 | 精品国产一区二区三区四区vr | 亚洲国产AⅤ精品一区二区的游戏 | 免费人成视频在线观看首页 | 波多野结衣一区在线观看 | 99鲁鲁精品秘 一区二区三区 | 久久久久久免费一级A片 | 最近最新字幕MV在线观看预告 | 性一交一乱一区二区洋洋av | av无码在线观看 | 人妻丰满熟妇av无码久久洗澡 | 久久成人动漫免费看 | 国产亚洲精品成人a | 欧美成人乱码一区二区三区 | 成人国产AV秘 一区二区三区 | 午夜做爰XXXⅩ久久久野花谷奸 | 少妇被c 黄 在线网站蜜桃 | 国产精品久久久久久一级毛片内衣 | 欧美日韩国产第一页 | 女大学生一级毛片免费视频 | 十八禁国产国产就熟女 |