- Product specs and customers' requirements
- Measurements check
- Quantity verifying
- Packaging and drop tests
- Labels & markings, Logos check
- Aesthetic, surface and function check
- On-site function check and testing
China tennis ball 3rd party quality assurance services, tennis ball 3rd party quality assurance services in China, tennis ball quality assurance in China, China tennis ball third party quality assurance services, China tennis ball quality assurance services, tennis ball quality assurance services, tennis ball third party quality assurance, China tennis ball quality assurance, tennis ball 3rd party quality assurance services, tennis ball 3rd party quality assurance in China, China tennis ball 3rd party quality assurance, tennis ball third party quality assurance services, China tennis ball third party quality assurance, tennis ball third party quality assurance in China, tennis ball quality assurance services in China, tennis ball third party quality assurance services in China, tennis ball 3rd party quality assurance,
