国产私拍主播秀在线_亚洲av日韩综合一区二区三区_国产精品看片在线观看中文_亚洲国产精品中文字幕网站_男人女人午夜视频免费_国产精品综合网第一页_五月天在线激情视频婷婷_亚洲一区免费在线观看_亚洲影院久久久av天天_成人影片免费完整电影

There are many kinds of cleaning agents on the market, detergents, cleaning agents. There are kitchen fierce cleaning agent, metal parts of the tong fu cleaning agent, and so on. What is a metal surface cleaner? Cleaning agent manufacturer Beijing tongfu to answer this question:

Alumina oxidation has natural oxidation, electrochemical oxidation, chemical oxidation, alkaline oxidation, acid oxidation, anodic oxidation of six kinds, means that aluminum and aluminum alloy oxidation treatment methods.

Environment-friendly cleaning agent is mainly applied to the surface cleaning and drying of optical lens and other parts, and can be used in conjunction with ultrasonic cleaning machine, cleaning and drying of plastic, metal, alloy, glass and other parts.

In recent years, metal surface treatment technology has been developed rapidly and has been widely used in many fields. In the surface treatment technology and engineering, the use of metal cleaning agent cleaning, that is, pre-treatment, occupies an extremely important position, it is not only as a kind of "pre-treatment process" before the surface treatment is indispensable, but also closely related to the success or failure of subsequent surface treatment.