国内九九热精品视频,五十路熟女久久超碰,免费在线成人加勒比,青娱乐在线青青草视频,欧美国产日韩激情视频,天堂aa在线视频网站,亚洲av激情婷婷爱爱俺也色,国产精品久久久久久精品免费97,91亚洲视频在线观看

   In the production and processing process of auto parts, the cleaning and protection of equipment metal parts is a very important link. The increasingly exciting market competition has put forward higher and higher requirements for the quality level of auto parts. Cleanliness, as an important indicator affecting the quality and safety of automotive products, has attracted people's attention. The cleaning and protection series products developed by Heliochem technology group for automobile manufacturing customers have the characteristics of "safe, efficient and environmentally friendly". The cleaning speed is fast, and the dirt on the metal surface can be well removed within the time set by the cleaning agent process; No corrosion to the cleaning agent and the object to be cleaned; Low cleaning cost, safe for operators, no uncomfortable odor, in line with EU RoHS directives; In the cleaning process, no insoluble matter will remain on the surface of the cleaned items, no new pollutants will be generated, no new covering layer harmful to the subsequent process will not be formed, and the product quality will not be affected. Heliochem cleaning and protection products have been used in many fields, including machinery manufacturing, petroleum and petrochemical, electric power and electrical, metallurgical and mining, machinery and electronics, transportation, photovoltaic, automobile, shipbuilding, textile, nuclear industry, food industry and so on, and have been recognized by all sectors of society.