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 after-sale service

after-sale service

after-sale service

1、 Is this product available? What time can the goods be delivered?
After the payment is successful, we will make and adjust the products according to your needs under normal circumstances, and deliver the products within 24 hours. If there is any problem, we will contact you by telephone.
2、 How long will my product arrive after delivery?
After delivery, Hebei, Henan, Shandong, Shaanxi and Anhui will arrive in 1-2 days, and other regions will arrive in 3-5 days. The specific time will be determined according to the express company.
3、 What should I do if I don't deliver as promised?
Please consult online customer service in detail for your answers one by one.
4、 Will the invoice and the goods be sent at the same time? If not, how can I track invoice logistics?
If you require an invoice, please contact our online customer service and note the information of your invoice. We will send you the same product together. If a supplementary invoice is issued after receiving the goods,
Please contact our online customer service, we will deal with it as soon as possible!
5、 About installation
Our products and equipment at the beginning of the design in line with the "simple operation, convenient installation" principle, zero technology installation, factory technicians can telephone guidance installation or door-to-door installation
6、 On "Three Guarantees"
30 days warranty for new machines, three years warranty (quality freight we bear, non quality freight buyers to bear)
7、 About installation and operation
1. There are installation & operation instructions in the machine; 2. Video tutorial on installation and operation; 3. After the goods arrive, our customer service personnel will promptly assign after-sales engineers for you,
Make detailed telephone instructions for your operation and installation

Yucheng Yucheng Aerospace Electronic Technology Co., Ltd. yuicp No. 16037886-1 business consultation: 130-8360-8988 technical support: Founder network technology