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About Us

The headquarter of the group is located in Baoshan City, Yunnan Province, with beautiful landscape and it’s like spring all the years round.
East China Office: The marketing center and pre-sales and after-sales center in the East China region are located in Suzhou, Jiangsu Province. Sales and technical elites provide one-on-one services, convenient and professional pre-sales and after-sales services, timely feedback, and efficient communication.
The production base of Baoshan Industrial Park in Yunnan: it has modern automatic equipment and constant temperature workshops, mainly for the research and production of cylindrical batteries such as 18650 ,21700 and 32140 even other larger volume and advanced batteries. covering an area of about 533600 square meters, with a daily output of 1-1.2 
Million pcs.
ROOFER Technology (Shenzhen) Co., Ltd. is mainly responsible for the R&D and production of portable charging piles, home energy storage, and industria and commercial energy storage e systems, including battery packs, BMS, and inverters. At the same time, Shenzhen Company serves as the marketing center, pre-sales and after-sales center, and warehousing center in South China, covering an area of nearly 5790 square meters. It provides convenient and professional pre-sales and after-sales services, with fast logistics and efficient communication.

Development History

Team Show

In terms of theory, our company has conducted theoretical and practical cooperation with multiple universities and research institutes, with the serving of strong university and research institutes as the follow-up and guidance for the company's frontier technology.


The specific energy density of lithium iron phosphate power batteries is 135wh/kg, and the specific energy density of ternary power lithium-ion batteries reaches 220wh/kg, which is a leading level in China.

The R&D leader is the first generation of high-end talents in the lithium battery industry in China, with over 15 years of experience in lithium battery research and development; 38 technical personnel engaged in lithium battery technology research for more than 5 years


We have developed lithium-ion power batteries suitable for fast charging and discharging characteristics, with a continuous discharge rate of over 15C, which is a leading level in China.

Invest about 10 million RMB to establish a research and development laboratory analysis and testing center, research and development pilot lines, and a testing platform for cell safety, environment, and electrical performance, providing sufficient testing data for monomer research and development, material research, and incoming material inspection.

Both lithium iron phosphate and ternary power lithium-ion batteries have passed the testing of national third-party mandatory inspection institutions.​​​​​​​

Contact information

cell phone:
company address:
Baoshan: Luhua Industrial Park, Longyang District, Baoshan City, Yunnan Province, China
Shenzhen: Luhua Building, No. 180, Jianhui Road, Dalang, Longhua District, Shenzhen, China
Shanwei: Luhua Industrial Park, Shanwei City, Guangdong Province, China
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