国产午夜福利片在线观看一区_亚洲AV日韩AV综合AⅤXXX_98精品国产高清在线看_欧美日韩视频在线网_小受咬床单失禁的GV资源AVI_无遮挡又黄又爽又刺激的免费视频_亚洲综合久久精品少妇av_欧美日韩囯产精品综合在线一_国产中文字幕免费观看_91丨porny丨精品国产

In 1982, Shanghai Electromechanical Industry Bureau, Shanghai Vacuum Research Institute and Germany Busch cooperated to introduce Busch R5 series oil-lubricated rotary vane vacuum pump technology, and dispatched Shanghai Vacuum Pump Factory and Shanghai Vacuum Research Institute to form a strong Shanghai team. The second vacuum pump factory, using Busch product technology and processing (assembly) production process, produced XD-type single-stage rotary vane vacuum pump - R5-010, part of the product parts exported to Germany.

In 1983, R5-010 products won the "Shanghai Excellent New Product" certificate, 1988 XD-010, XD-020 won the "Shanghai Quality Export Commodities" certificate, and won the first-class products pre-issued by the Ministry of Machinery Industry. "Quality assessment certificate, participated in the preparation of the "industry standard for single-stage rotary vane vacuum pump products".

Since its establishment, the company has adhered to the rigorous style and production process of Busch's heritage and produces vacuum pump products with high standards.

The company currently produces 5000m2 of factory buildings. It is a professional manufacturer of vacuum pumps and vacuum application equipment integrating R&D, manufacturing and sales.