The diesel filter of 200000 kilometers is independently developed by Huayuan Co., Ltd.，Matching Yuchai GuoliuYCK11 andYCK13 on the engine，The whole Vehicle on the road test is Liuqi Chenglong.H7 Tractor，7 sets in total，The main transportation route is Guangxi.、Guangdong、Hunan、Yunnan、Guizhou、Henan and other places。 Pass the road test，Highly recognized by end customers，Customer feedback：This set of ultra-long life diesel filter uses 20.50,000 kilometers，There is no abnormality in the process，Product mileage increased by 3~5x，That is, a decrease of 3~5 times of maintenance，Significantly reduce maintenance costs。

The road test was successful，Mark Huayuan shares to achieve a new round of technological breakthroughs，It is a milestone，The company will gradually promote matching to major main engine factories.，Service terminal market，Create greater value for customers。