Chongqing Gold Mechanical & Electrical Equipment Co., Ltd. is one of the leading manufacturers in China of geophysical instruments. Since its foundation, our factory has a group of highly qualified technical personnel specialized in development and well-trained workers, with advanced machinery and equipment. Our enterprise absorbs domestic and international advanced technology and management experience, and constantly develops new products. Our factory have passed ISO9001 International Standard Quality System Certification in 2000, and passed Chongqing High-Tech Enterprise Certification in July 2010 which shows comprehensive improvement of our product quality, service and management.