关键词1},国产三级韩国三级日产三级,国产精品成人一区无码,色欲网天天无码av,少妇无码吹潮,国产农村乱人伦精品视频,.一区二区三区在线 | 欧洲,国产精品久久精品第一页,亚洲色大成网站WWW看下面,日本中文字幕一区二区有码在线

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.