久久五月激情婷婷日韩_影音先锋国产制服欧美激情_北条麻妃国产九九九精品_搡老熟女老女人HHD_老子影院午夜伦不卡理论片ok电影天堂_真人啪啪无遮挡免费_午夜视频在线观看黄色视频_无码人妻精品一区二区三区蜜桃_欧美两根一起进3p做受视频_亚洲另类熟女国产

Easy to cope with harsh working conditions

Copton PD series construction machinery special oil is developed and manufactured for construction machinery equipment, which can effectively reduce equipment repair and maintenance costs, improve equipment performance and prolong its service life.

■ With excellent abrasion-resistant properties, it can play a reliable role under various load conditions;

■ With excellent filtration performance, it can effectively prevent the micro-filter blocking phenomenon;

■ With superior air release,it can greatly reduce cavitation corrosion and oxidation,and ensure the system efficient long time operation;

■ With outstanding oxidation resistance, it can extend the oil change cycle, and reduce maintenance costs;

■ Compatible with all kinds of seals.

Suitable for all kinds of imported and domestic construction machinery and equipment working in medium and high pressure system.