400kw 500kVA Four Stroke Soundproof Electric Whole House Generator Cummins with Yofen

10+ years of factory experience
Xiamen Yongfengsheng Electric Power Group Co., Ltd. was established in 2014, located in the beautiful seaside city of Xiamen, Fujian Province, China. Our affiliated factory is dedicated to the production and assembly of diesel generator sets and has built a new automated factory covering more than 4,500 square meters in Fuan, the hometown of generators in China. In the past 10 years, we have obtained C E and other relevant product certificates. Our high-quality products and first-class team service have won the unlimited trust of our customers.

Professional certification certificate
At present, our company has successfully won bids for many well-known domestic companies and has offices in Cambodia and the Philippines. It has a wide and fixed customer base. The company adopts a modern corporate management model and advocates a green ecological environment and sustainable development. Continue to innovate around the needs of customers, open cooperation with partners, and let customers truly experience the quality and feel extraordinary.  

Quality first, service first
The company has always pursued the tenet of "seeking cooperation with reputation and seeking development with quality". Yongfengsheng Power Group has long insisted on being market-oriented. Through continuous investment and construction, it has continuously strengthened its core competence system such as market development, technology research and development, manufacturing, and quality assurance. It has a strong combination of professional technology and market sales. Team, as well as its own R&D and testing center and core product manufacturing plant.

1. What is your warranty period? 
1 year or 1000 running hours whichever comes first. But based on some special projects, we can extend our warranty period.
2. Does your generator have a global warranty? 
Yes, most of our products like Cummins, Perkins, and Doosan power generators enjoy the global warranty service. And the alternators we use like Leroysomer, and Stamford Marathon also enjoy the global warranty service, so you do not need to worry about the after-sales service. 
3. Can you accept OEM? 
Yes. we can accept OEM. 
4. What are your payment terms? 
We can accept T/T 30% in advance, and the balance 70% shall be paid before shipment or L/C at sight L/C deferred payment terms or West union 
5. What is your delivery time?
Our normal delivery time is about 5-10 days. But if your order is some special engine and alternator, then the delivery time is longer.