欧美A级做爰片纵情欲海2在线,免费无码又爽又刺激激情视频,精品免费AV一区二区三区,亚洲色大成网站WWW国产,国产在线精品一区二区高清不卡,樱花草在线观看播放WWW,国产999国内精品视频免费,日本成本人片免费网站,久久久久久久女国产乱让韩

Brand Development

Brand Development
   2023

Development of membrane Press for Hydrogenation Station;

   2022

Research and development of 40000Nm3/h large pressurized oxygen compressor;


   2018

Labyrinth oxygen compressor has been developed successfully.;


   2016

Establish a remote monitoring platform;


   2014

The first oxygen compressor equipped with explosion-proof wall is exported to the United States.;

   2011

Development of large horizontal process Compressor;

   2009

Move to Lin'an manufacturing base;

   2000

Company restructuring, the establishment of Hangzhou Hangzhou oxygen Compressor Co., Ltd.;

   1993

Piston Compressor Factory established;

   1980

The oxygen compressor won the title of excellent product.;

   1973

The first non-oil lubricated compressor has been successfully developed.;

   1958

Moved to Dongxin Road, renamed Hangzhou oxygen Machine Factory, and set up the first machining workshop.;

   1950

Zhejiang Iron Factory established;