The registered address of zhejiang three and springs ltd. Is located in the tsimbashi industrial district of zhejiangzhou, wenja county (in the company of heiko valves ltd.) and is registered as the district market supervision authority of ryonga. The legal person is represented by zhou wengxing, who operates on general projects such as spring manufacturing, spring sales, technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion, development of hardware products, marketing of metal materials, import and export of goods, import and export of technology (in addition to projects subject to authorization under the law, operating on an autonomous basis with a licence)。