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Quality Cummins factory
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Quality Cummins factory
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Quality Cummins factory
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Quality Cummins factory
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Quality Cummins factory
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ABOUT US

With 30+ years experience, Guangzhou Sitbo specializes in genuine and OEM engine parts. Headquartered in California, we are authorized dealers of Cummins, Caterpillar, Bosch and more, ISO 9001 certified since 2003. We run three core warehouses in California, Texas and Foshan, branch offices across major cities for fast global delivery. Our inventory exceeds RMB 100 million in China and $10 million in the US for steady supply. We uphold quality priority and continuous innovation.

1990
Year Established
100~200+
Employees

GUANGZHOU SITBO M.& E. EQUIPMENT CO., LTD

China GUANGZHOU SITBO M.& E. EQUIPMENT CO., LTD
Cooperative Partner
Company Advantage
Extensive Experience

With 30+ years of experience and partnerships with 40+ brands, we are an authorized distributor supplying genuine OEM parts with professional support.

Sourcing & Shipping

Presence in US, China, Singapore & HK for efficient global sourcing & shipment coordination, we ensure timely delivery & supply chain visibility.

Quality Control

ISO 9001:2015 certified, with rigorous quality control. We lead industrial standard innovation and provide reliable, cost-effective solutions.

Technical Support

Our team works closely with customers to provide technical support such as product assembly and customization, as well as practical solutions.

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What Our Clients Say
”
Our fleet operates in extreme desert conditions, where engine reliability is non‑negotiable. Since switching to your complete engines, we’ve cut equipment downtime by nearly 40%. Even at 55°C, the power output remains strong and consistent – the quality truly exceeds expectations. This is genuine industrial‑grade performance.
Ahmed Al-Malki
Ahmed Al-Malki
”
As a repair service provider, nothing hurts our reputation like waiting weeks for parts. Your company stands out for incredible responsiveness and speed. When we urgently needed a batch of injectors, the order‑to‑delivery cycle took only five days. Such an efficient supply chain gives us a real competitive edge in the local market.
Carlos Mendez
Carlos Mendez
”
We weren’t very familiar with Cummins series selection, but your technical team guided us every step of the way. From proper model matching to installation support, you offered a true ‘turnkey’ service. You didn’t just sell us high‑quality products – you also taught us how to extend equipment life through proper maintenance. That’s what a real part
James Omondi
James Omondi
”
In Europe, the stereotype about ‘Made in China’ has been completely overturned by working with you. You deliver genuine OEM‑quality parts at highly competitive prices. Over three years of cooperation, your supply has remained stable – no shortages, no quality fluctuations. This consistency and integrity are exactly why we choose you as our long‑ter
Stefan Fischer
Stefan Fischer
”
Our fleet operates in extreme desert conditions, where engine reliability is non‑negotiable. Since switching to your complete engines, we’ve cut equipment downtime by nearly 40%. Even at 55°C, the power output remains strong and consistent – the quality truly exceeds expectations. This is genuine industrial‑grade performance.
Ahmed Al-Malki
Ahmed Al-Malki
”
As a repair service provider, nothing hurts our reputation like waiting weeks for parts. Your company stands out for incredible responsiveness and speed. When we urgently needed a batch of injectors, the order‑to‑delivery cycle took only five days. Such an efficient supply chain gives us a real competitive edge in the local market.
Carlos Mendez
Carlos Mendez
”
We weren’t very familiar with Cummins series selection, but your technical team guided us every step of the way. From proper model matching to installation support, you offered a true ‘turnkey’ service. You didn’t just sell us high‑quality products – you also taught us how to extend equipment life through proper maintenance. That’s what a real part
James Omondi
James Omondi
”
In Europe, the stereotype about ‘Made in China’ has been completely overturned by working with you. You deliver genuine OEM‑quality parts at highly competitive prices. Over three years of cooperation, your supply has remained stable – no shortages, no quality fluctuations. This consistency and integrity are exactly why we choose you as our long‑ter
Stefan Fischer
Stefan Fischer