excavator top roller carrier roller for undercarriage parts EX300 EX350 

 The above models are reference, many models we can't  list here. Please  directly send us your  models.We'll do our best to meet your requirements.

    Zunhua Yonghui Engineering Machinery Accessories Co,.LTD has always been “down-to-earth,hard work and innovation” as enterprise culture and “quality of survival” as our business philosophy. Our products have passed the ISO9001:2008 international quality management system certification. We mainly engage in all kinds of engineering machinery structure parts and chassis parts, including the main assistant lever, cylinder and four-wheel area and etcetera.

    The parts are applicable to Komatsu, Hitachi, Kobelco,Sumitomo,Daewoo and other wheel-know domestic and international brands of excavator. Now we have developed our international market, currently our products are being exported to Asia, Europe, North America and other regions.

Our main products are Bucket Link,Tension cylinder,recoil spring,connecting rod, track guard,bush,Pin,Yoke,Drill Rod,Bucket,spring and undercarriage parts.

We have 3 factories in Tangshan City to handle all productionand can easily meet customer demand for these products. With our team, we can manufacture not only independent but also customized OEM products.

We boast a professional technical R&D team and has entered in a long-term contract with many senior technical engineer and experts in Tsinghua University. Besides, We have introduced the state-of-the-art processing devices and testing devices.

Our products have passed the ISO9001:2008 international quality management system certification.