Donghailong Piston is an emerging high-quality piston supplier in China. The company was established on August 28, 2003 and mainly produces aluminum alloy pistons, forged steel pistons, and ductile iron pistons. The company has an annual sales revenue of 280 million RMB and 341 employees. The company is a national level specialized and innovative "little giant" enterprise, a high-tech enterprise, and an enterprise technology center recognized by Shandong Province. The research project on high-end high-power forged steel pistons has been appraised and reached the leading level in China.