Our aim: the best quality and most-the price is committed: one year free warranty, life-long maintenance.

我们的宗旨：最好的质量、最平的价格；公司承诺：免费保修一年，终生保养。

youdao

High precision dynamic balancing machine has the characteristics of low noise, high efficiency, long service life, and fully enclosed in high performance grease, life-long maintenance free.

高精度动平衡机具有噪音低、高效率、使用寿命长等特点，且全封闭内加高性能润滑脂，终生免维护。

youdao

Where the products my company free of charge for one year warranty, a three-year warranty costs, life-long maintenance.

凡我公司提供的产品一年免费保修，三年成本保修，终生维护。

youdao

First, this can considerably extend vehicle life and reduce maintenance costs, offering a major long-term profitability incentive for trucking operators to accept large upfront LNG vehicle premiums.

FORBES: Tough Trucking For Natural Gas Vehicles: Can They Make It In The Long Haul?