2020 низкая цена оптовая продажа STC89C54RD 40I STC89C52 35I P DIP40 STC89C55RD микроконтроллер ic

the questions which our partner ask most
Q1. How about the quality?
A: We tested 100% before we ship out.We offer 90- 180days quality assurance.
Q2. What is your terms of payment?
A: Order below 10000USD is T/T 100% in advance . 
B:Order over 10000USD T/T 50% as deposit to arrange goods.and rest 50% before delivery. 
C:Sample order we can support  

PAYPAL , WERTERN UNION,UnionPay and Alipay.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.(defaults EXW for all quotation)
Q4. How about your lead time?
A: There are no lead time for in-stock products.We can ship out within 1-3days after you confirmed the payment.

B:Customized product,we will ship out within our professional invoice show.

Q5. What is your sample policy?
A: Most of products,we can offer free samples;you just need pay the shipping cost.

Q6:Can we ask support if get trouble?

Sure, if there is any quality problems or questions;we could offer technical support or return service .
Q7. Can we return  back the goods?
A: Sure, if you are not satisfied with the quality;you can send the original box back to exchange or refund.You pay the return ship cost.We pay the back cost.

B:If you get wrong item and the mistake made by yourself;we can offer return too.But you should pay the ship cost both.And you can ask us to exchange or refund. 

Q8. Order is safe?
Recently we get some enquiries from our clients; most of them is the first time to order on Alibaba. 
So please note:If you know alibaba,you must trust it;
1,all of the orders will be protected once you paid to our right account;
2,if you really need high quality protect,you can choose Trade Assurance,

the handling fee is only a little higher than other ways;
3,please contact us when you have any trouble!