Gray service follow-up :
In the case of normal use Gray stage lighting , product quality problems , if any , Gray will provide some services to follow up :
1 ) from the date of delivery of the product within seven days , after our testing to confirm the fault repair service center is true , you can choose to enjoy the return, replacement or free repair services or free replacement parts .
2 ) from the date of delivery of the product within 60 days , you can choose to enjoy the replacement or free repair services or free replacement parts .
3 ) from the date of delivery of the product within 12 months, you can enjoy free repair service or free replacement parts ; over 12 months can be a lifetime to enjoy paid maintenance services.
4 ) All the above interpretation of Hypnos .

Gray pre-service follow-up :
Pre-sales technical support, including :
1 ) to understand customer needs and provide value-added services
2 ) sales technical program development
3 ) Professional making rational allocation list
4 ) Location map production
5 ) focus on the customer's dynamic map production
6 ) Technical Training

Grace to follow up the sale of services :
Sales technical support, including :
1 ) Professional technical answers
2 ) professional installation
3 ) professional on-site guidance and training