CNACL was set in 1994 Sep. 20 th , by the Bureau of Quality and Techniques of Beijing in accordance with the Product Quality Law, the law of Measurement of the People's Republic of China, the Law of Standards of the People's republic of China, the Products Quality Certification Management Regulations and the development demands of the Labs in china, it is a institute approved by the government which is in charge of the management of labs in china.