Customer Service
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Online Services
The 7x24-hour service hotline responds to customer needs quickly and provides professional technical support.
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Installation Training
Free installation and usage training will be provided after product delivery.
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Technical Support
Shenzhen Na provides lifelong technical support for the products it sells through on-site teaching, remote guidance and other means.
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Warranty Service
Shenzhen Na provides lifetime maintenance service for all the products it sells, and provides free repair for products that are within warranty.
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Out-of-warranty service
For factory repairs outside the warranty period or warranty scope, only the parts fee, labor fee and round-trip related expenses will be charged; if additional training times or machine relocation services are provided, relevant on-site service fees will be charged.
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Value-added Services
Shenzhen Na provides paid calibration services for the products it sells, and supplies accessories and consumables at preferential prices.
Contact us
Service support-
400-800-1288 7*24 hours
National Service Hotline -
Official WeChat Online Customer ServiceScan to enter the official WeChat account of Shenna
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Consult Click to consult online customer service
Official website online customer service
