CQA is an inspection company over 13 years experience in inspection field. We are a professional Quality Assurance ompany in Industrial products, such as machine, Valve, nuclear power equipment, construction equipment. Our services covering Factory Quality System Audit and Code of Conduct audit, Pre-production Inspection, During Production Inspection, Pre-shipment Inspection and Testing. We offer customers an unparalleled advantage through applying our broad technical expertise to fulfil their individual needs.