OTTO Diesel is professional and reliable supplier for common rail parts, including common rail nozzles, common rail injector control valves, common rail injector adjusting shims, common rail tools for injectors and pump, common rail injectors and other common rail parts.

All our products are strictly tested before they leave the factory, and all our products are up to the relevant international standards. But our quality control doesn't stop at the factory gates. We continuously monitor and improve our production processes, using advanced inspection tools and techniques to ensure every product that reaches you is flawless. Our certifications from renowned international organizations are a testament to our unwavering dedication to quality.​

We have customers all over the world. And we are hereby looking forward to show you the best common rail parts and work with you to develop the market.