A specialty in the development, production and sale of relays is a topperd technology ltd. In shenzhen city. With highly skilled and highly qualified teams, clients can be provided with well-developed after-sales services in a timely manner. The plant, with a production area of over 10,000 square metres, now has the ningbo office, the shanghai office, the shenzhen office and the aoshima office. Corporate commitment; building a spirit of sustainability that promotes technological innovation, “professional qualifications, branding”