1.Installation & adjustment
After the equipment are arrived at the customer’s site, the customer is responsible for unpacking and arranging the equipment according to the placement drawing; and does under our install-adjust technicians’ guidance. Costs of the staff are decided at last.

2. Training
We are responsible for offering the technical training to user. The training content includes the structure and maintenance of the equipment, control and operation of the equipment. Through training, users" technical staff can grasp and the skill of
operation and maintenance proficiently, and deal with the general troubles in time.We will appoint qualified technical staff for the guidance.

3. Quality assurance
We guarantee the line achieve product technical performance indicators within 5days after feeding operation through the correct guidance of the installation and
commissioning.

https://cnjinzheng.en.alibaba.com/?spm=a2700.icbuShop.0.0.4b8f7bc3FVIawN

1.Q :What can you supply to me ?
A: We could supply Emergency vehicle warning light systems for you such as led warning light bar, mini warning lightbar,surface mount lighthead, perimeter light,deck/dash light,light stick, beacon light,siren amplifier,auto speak etc, We provide OEM service ,shipping and QC service as well to make sure you get ONE-STOP purchase process from us
2. Q:What kind of Vehicles Did your lighting upfitting ?
A:For Ambulance car, for Fire Truce, for two truck, for Police and other emergency vehicles
3.Q:Can you customize the product as per our request ?
A:Yes we can,As long as afford the sample , we can open a customize module product for you
4.Q:How to get a sample from you ?
A:All samples will send directly to you door to door by Express like DHL,Fedex after get your sample fee, If you have express acoount of DHL,Fedex we can send sample to you directly ,if you don’t you can send express fee to our paypal account ,Any sample cost will be returned after you place order. 
5.Q:Whats your payment term?
A:Sample order we accept Paypal or Western union, Big order 30% advance by Bank transfer, Balance against copy of B/L by Bank transfer,If order amount above 30000$, we can accept L/C, We will show you photos of products and package before you pay the balance
6.Q:How about your delivery time?
A:Generally , it will take about 10-15 days after receiving your advanced deposit,the specific delivery time depends on the items and quantity of your order.
7.Q:Whats your warranty ?
A:All parts 2 years warranty , during this time we will send replace parts to customers free , but need photo or video to prove it broken or damage By non-human force .