After-sales service


Providing comprehensive services for customer production and sincerely engaging in extensive cooperation with friends from all sectors.

Pre-sales Service

Customization is available upon customer request. Our engineers conduct free on-site inspections and develop tailored design solutions based on precise on-site measurements. As a manufacturer, we sell directly—no middlemen—ensuring competitive pricing and guaranteed quality.

After-sales service

24/7 service hotline: we respond promptly to all your inquiries and provide timely solutions. We maintain a comprehensive after-sales service system, including regular customer follow-ups, routine maintenance, and free operational training.

Service Commitment

Longyu’s service philosophy is “Wholeheartedly Empowering Our Customers.” We view our customers as the cornerstone of our corporate growth and are committed to delivering fast, warm, professional, and attentive service that creates value for them.

Reasons for Choosing Longyu

· Strong production capabilities
· Diversified product portfolio
· Professional R&D personnel
· A comprehensive after-sales service system

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Download Materials


Longyu Art Album

File size:

3.4MB

Updated at:

2026/03/31

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