1. QIAOYI has an ISO9001 factory, which has passed the audits by top companies, including ESTEE LAUDER, COTY. 2. We can provide free samples for customer approval. 3. We offer all standard Pantone colors and specialize in making translucent, transparent, frosted, metallic case. 4. Customized design: our R&D department offers tooling services, and provide processing services, such as UV coating, shiny or matte spray, logo printing could be offer in silk printing, hot stamping, laser decoration, transfer film. 5. High quality is our mission. QIAOYI has a strong QA system and strict standarded production procedure. The factory was set up extremely based on factory audit standard.