Shanghai
On-site assessment and face-to-face discussion may be arranged by appointment, with timing coordinated separately.
Service and support
Set clear geographic boundaries and arrange support around the project
No fixed response, visit, or delivery time is promised. Arrangements depend on location, stock, project scale, and mutual confirmation.
Outside Shanghai
Support is primarily provided through phone, WeChat, email, and video meetings.
Current service capabilities
Phone and WeChat requirement consultation
On-site visits by appointment in Shanghai
Nationwide remote video discussions
Delivery, installation, and commissioning
Scheduled maintenance and filter replacement
Repair or replacement support
Standard business invoicing
Enterprise purchase and rental contracts
From first discussion to ongoing support
Requirement discussion → initial guidance → consultant confirmation → delivery and commissioning → maintenance and filter replacement → fault support.