SGS is the world's leading inspection, verification, testing and certification organization, and the world's recognized benchmark for quality and integrity. SGS CSTC Standards Technical Services Co., Ltd. is a joint venture founded in 1991 by SGS Group of Switzerland and China Standard Technology Development Corporation under the former State Administration of Quality and Technical Supervision. It takes the initial meaning of "General Surveyor" and "Standard Measurement Bureau".

All products tested by SGS are exempted from inspection in all countries around the world.