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

■ Patented nanotechnology (invention patent number ZL 2012 1 0185036.2) has better thermal conductivity and heat dissipation. Better balance the internal temperature of the engine and make the engine work more smoothly.

■ Excellent antirust and antiscale performance. Provide long-term anti-corrosion protection for copper, aluminum, cast iron and other metals to reduce scaling in cooling systems;

■ Long-acting products, anti-boiling in summer, anti-freezing in winter, applicable in all seasons;

■ Effectively keep the working temperature of the engine stable, improve efficiency, reduce oil consumption and reduce emissions;

■ Good chemical stability, stable freezing point and low evaporation loss;

■ Excellent bubble resistance and high cooling efficiency.