China best quality real 4000mah mobile portable power bank for all mobile phones

Our company is located in the "world of electronic" Shenzhen city, Guangdong,China,founded in 2011.We are a professional manufacturer of MP3 MP4 MP5 Player/bluetooth speaker,power bank/bluetooth headset and we also offer Car MP3 MP4/Car DVR,phone charger,etc.

Blue Sky Electronics CO., Ltd has cooperated with many clients both from domestic and overseas, and has obtained consistently high praise from our customers since it was set up.
The company holds the managerial idea that 'Quality Proves Strength, Details Reach to Success', and tries its best to do well at any aspect from each stitch, each point of procedure of manufacturing to final inspection, packing and shipment.

Competitive price is the basis for our customers to keep long-term benefit business. We care all aspects about controlling the material cost, avoiding production loss and improving yield rate to ensure our most competitive price.

We insist on the principle of development of 'High quality, High Efficiency, Sincerity and Down-to-earth working approach' to provide you with excellent service of processing! We sincerely welcome you to visit our company or contact us for cooperation!

Why US

1. Customized design is welcomed and developing new products every month

2. Quality First, 100% internal QC ensures products’ quality

3.Competitive Prices !

4.Fast Worldwide Delivery !
5.14 Months Warranty on All Products !

6.100% and perfect after-sales service guarantee plan;

Answer: Our MOQ is 100pcs per model, but we accept trial order, so any quantity is ok for starting our business.

Question 2: Sample is available?

Answer: Welcome to order samples.

Question 3: What's your lead time?

  Answer: Within 2-3 days for samples, 7-10 days for quantity order. 

Question 4:  What's your payment terms?

Answer: We accept T/T and western union payment: 30% deposit,the balance before shippment

Question 5: What about your company warranty?

Answer: 12 months, free repair. Return policy (during warranty period):
The 1st month: Buyer pays shipping to China and we pay return (from China to buyer's address). When we return the repaired products, we usually use China Post Airmail. If buyers want faster, we can ship by DHL but buyers pay extra cost.
The 2nd~12th month: Buyers pay both shipping cost.
(Note: No refund unless we send a wrong product. We do not charge repair cost during 12month warranty. After warranty, we just charge a little labor cost.)
Factory won't undertake shipping charge and repair charge for artificial damage.

Question 6: If your company accept OEM or ODM order?

Answer: Yes, OEM and ODM orders are also welcome, we can do customized brand packing and logo.