1. Our team has long time experience of supplying to all major international famous brands, we are very familiar with international brand quality standard and quality control procedure. We adopt the same procedure for our quality control.2. We choose to work with OE standard manufacturers only who are in the leading position of international supply chain.3. We offer at least 1 year product warranty for our products include new parts replacement and other reasonable cost.4. We regard Cat replacement parts as our core business. We have build large stock with bigger engine model, we supply from liner kit , gasket kit to complete engine kit.