Changzhou Roga Medical Device Co., Ltd (Roga) is the economic & trade center of Changzhou Institute Of Medical Device(CIMD). It is a medical device industry platform company specializing in do...

the developeing zone of Yanshan county

Yanshan Golden Star Manufacture of Aerosol Valve Co., Ltd., was established in 1995, is a professional aerosol valve manufacturer, covering an area of 50,000 square meters. In 2005, we introduced auto...