国产精品色综合久久_欧美二区三区_无遮挡又黄又刺激的视频_久久www免费人成看片色多多_欧美久_浮力影院国产第一页

Pinghu Kaifeng Machinery Manufacturing Co., Ltd.

Pinghu Kaifeng Machinery Manufacturing Co., Ltd. is a manufacturing entity national high-tech enterprise specializing in the production of three series of products.The company was founded in June 2002 and has undergone two transformations and upgrades.Among them, in 2018, it was transformed and upgraded from Pinghu Kaifeng Machinery Manufacturing Co., Ltd. to Pinghu Kaifeng Machinery Manufacturing Co., Ltd.In 2018, it was a science and technology small and medium-sized enterprise in Zhejiang Province.Passed the ISO9001 quality management system certification in 2019.It was approved as a national high-tech enterprise in 2020.

Since the establishment of the company, it has insisted on cooperation with universities and research institutes.Seek development by innovation, seek survival by quality, people have their own advantages, people have no innovative ideas, and constantly pursue the concept of excellence.Product quality is in the leading position in China among its peers.Among them, solid lubricants (commonly known as graphite particles) have been used by the largest three domestic companies specializing in the production of oil-free lubricating bearings since 2002.On the other hand, the steel-copper composite bushing applied for a patent in the name of a legal person in 2006.It has been used by a number of listed companies.Steel-copper composite skateboard, obtained a national patent in 2015.Currently in small batch production.Its binding strength and surface wear resistance between steel and copper can completely replace the overall copper slider.Companies pay attention to environmental awareness.The production of graphite particles and steel-copper composite bushings of the enterprise has been approved by the government's environmental assessment and has a sewage discharge permit.The company continues to innovate independently.So far, 4 invention patents and 20 utility model patents have been applied for.Among them, 15 utility model patents have been approved, and 4 invention patents are being re-applied for.


Company Profile

History

2018

Rated as a science and technology small and medium-sized enterprise in Zhejiang Province

2020

Rated as a high-tech enterprise

Partners

雙飛
中達
長盛
主站蜘蛛池模板: 亚洲视频一区在线观看 | 免费国产高清视频 | 亚洲国产一区在线观看 | 国产精品久久久久久久久久久久久久久久 | 日本手机在线视频 | 欧美日韩国产一区二区三区不卡 | 欧美一级片免费 | 亚洲精品久久久久久中文 | 四虎影视在线看 | 久久视频国产 | 一级黄色特级片 | 91久久亚洲精品国产一区二区 | 亚洲一区二区三 | 久草操 | 亚洲区色情区激情区小说公 | www.777含羞草| 亚洲人成在线观看 | 亚洲一区二区视频在线观看 | 日本黄视频在线观看 | 日韩精品在线网站 | 亚洲天码中文字幕第一页 | 成人做爰A片免费视频日本 97香蕉 | 99青草青草久热精品视频 | 91资源在线 | 久久久99国产精品免费 | sese在线观看 | 亚洲视频免费观看 | 妞干网福利视频 | 99在线免费播放 | 国产成人青草视频 | 狠狠色综合久久丁香婷婷 | 精品久久久久国产 | 午夜国产在线观看 | 精品国产乱码久久久久久a丨 | 久操视频在线免费观看 | 国产成人免费福利网站 | 日本久草网| 亚洲码一区二区三区 | 一a一级片| 欧美激情一区二区三区在线播放 | 久久精品视频网站 |