The consistency of products to great content determines the product quality, only high consistent product can offer a better purchasing and user experience for clients. QUANHOM is an infrared specialty team that adheres to the principle of “Quality Foremost; Service Centered; Progress Guided; Innovation Driven” to practically implement the ISO9001 QMS, and severely carry out the quality control procedure—first article inspection, progress inspection, warehousing inspection and warehouse-out inspection. All operations on products correspond with the operation instructions to minimize the uncertain elements in the productive progress, then the stability and consistency of products can be guaranteed.