We are a pioneer enterprise engaged in filter manufacturing in China, specializing in filter manufacturing for more than 15 years.

Company History Qinghe Zhongding Auto Parts Co., Ltd. was established in 2008.
In 2010, Hebei Shengcan Auto Parts Co., Ltd. was established to expand the company and improve customer service.
In 2013, Guangzhou Shengcan Auto Parts Co., Ltd. was established in Guangzhou to develop a national business company.
In 2015, the strategic layout of the two major brands SINOFIL and Dingnuo was implemented, and the product production line was expanded.
In 2017, in order to expand the production scale, Hebei Zhengcan Filter Manufacturing Co., Ltd. was established.
In 2018, in order to expand overseas markets, we established overseas warehouses and SINOFIL companies in the Middle East.