SZW company is a famous British production group company. It was founded in the first industrial revolution with a history of over 200 years. The world's first gear reducer is completed by the SZW company, which enjoys a high reputation in the field. Since the mid twentieth Century when the module production was used in the European market, the company has been in leading position in the same industry. At the same time, four series surface-hardening gear reducer of the company's transmission mechanism have entranced into china market in recent years. And several sub-agencies have been established in Beijing, Shanghai, Shenzhen, Changzhou, which is devoted to service high-end customer in China area.