HEINDA is one of the earliest enterprises engaged in the production of floor springs in China, and has developed into a high-tech enterprise integrating the research and development, production, sales and service of "hardware + intelligent door control".

The company has set up four production bases in Zhejiang, Jiangsu and Anhui, covering a total area of 160,000 square metres, with thousands of employees.The annual production capacity is over 6 million pieces.

Heinda and Tongji University and other domestic famous universities and research institutions components of a strong technical research and development centre.It has obtained a number of national invention patents.