BEIJING GUODIAN DIAN KE YUAN DETECTION TECHNOLOGY Co., Ltd. is located at the core zone of Beijing Zhong Guan Cun. As a high-tech subsidiary under Guodian science and technology research institute, it is specialized in developing, producing industrial endoscope detection machine and nondestructive detecting engineering. Its main products include 360吏�rotating endoscope, electric adjusting focus and light endoscope, electric direction endoscope, optical fiber endoscope; low-frequency magnetic flaw detector (LF series), magnetic powder display membrane, stainless steel oxide skin detector and DV guard tour system, etc. It has a huge contingent of technicians and owns four national patents in nondestructive detecting area.