Professional service

SDI specialized in meet any diversified demands of users’. Our professional services can help you identify and evaluate seller or manufacturer to assist you with their communication and coordination, and we are very glad that we can provide you with other services you required in our scope of services .
SDI has a long history of third-party inspection service in China. We will use our experience and professional inspection to escort for you to avoid business minefield.
SDI’s special service items include:
•         Purchase support
•         Dispatching quality controllers
•         ISO conformity assessment
•         Special QA and QC service