QN9021/DY RF System on a Chip - SoC Ultra Low Power BLE System-on-Chip New packaging patch QFN32 silk screen 9021

Company Service

1. We keep more than 10 thousands parts in warehouse, including Sensors, Servo Motors, Cooler ,Capacitors, Resistors,LCDs, Modules, Transistors, Diodes, Relays, Voltage Regulators, Bridge Rectifiers, Op Amps, Potentiometers, Inductors, Automation PLCs and other hard to find parts.. it could cut lead time of most items.

2. Customer service in 1-4 hours. If there's any question, please contact with our sales.

3. Experienced technichal support team.

4. 180 days warranty for all the goods from us.

5. 2000+ suppliers with us, we could help you to get any components which is difficult to get.

6. If you are satisfied with the product you received, please leave us positive feedback with 5 stars, which means a lot in our future Aliexpress undertakings ,your recognition is our motivation in developing our business to serve you even better.

7. Please contact us before returning the item and must be returned in their original condition in order to qualify for a refund or exchange of goods..Please contact us if you plan to leave us a Neutral/Negative feedback or open dispute ,it would be better to clear up your discontent and resolve the problem to make you 100% satisfaction.

Note :
1. For the models of IC, diode and triode, the quotation format is: complete model + package + quantity.
2. Capacitor and resistor need to be informed of volume (size) and package,Please provide complete model and specification, so that we can quote more quickly and conveniently.
3. Customers need to send Excel or word documents to quote, and also need to attach pictures for our reference when necessary.

Inventory management
Our warehouse is strictly regulated, providing practical protection, as well as anti-static, ambient temperature control to protect your inventory
Rely on our central operating location to manage your needs from all regions
our company provides an integrated visual portal for real-time inventory monitoring through an online feature
we can provide nitrogen storage, nitrogen packaging, roll packaging and other services
plan, test, maintain and replenish stock to meet your specifications

FAQ
Q: Are you trading company or manufacturer?
A: We are original manufacturer. We can do OEM/ODM business.
Q: How long is your delivery time?
A: Group buying delivery time: 30-60 days; General delivery time: 20 days.
Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.
Q: How to buy your products?
A: You can buy the products from our company directly.Normally the procedure is sign the contract, payment by T/T,Contact the shipping company to delivery the goods to your country.
Q: What is the warranty ?
A: The free warranty is one year from the day of Commissioning qualified.If there is any fault for our products within the free warranty period, we will repair it and change the fault assembly for free.

Q1:What kind of service do we have?
We provide turnkey solution including RD, PCB fabrication, SMT, testing and other value-added service.
Q2:What is our PCB/ PCBA service?
Our PCB / PCBA service is about Medical industry, Automobile, Energy, Measurements, Consumer Electronics.
Q3:How can we keep your information safe?
We are willing to sign NDA by customer’s local law and promising to keep customer’s data in high confidential level.

Q4:What kind of files are required for quotation?
For PCB quotation, please provide the Gerber data / files and indication of related technical requirements as well as any special requirement.
For PCBA quotation, please provide Gerber data / files and BOM (bill of materials). If you need function test, please also provide the test instruction/ procedure.
Q5:How long does it take for PCB quotation?
Normally 12 hours to 48 hours.
Q6:Do we provide samples?
Yes! Free samples! Only shipping fee needs to be paid.
Q7:How do we handle quality problems?
We can offer technical support or refund your money.