सीएडी ब्लाकों | सीएडी चित्र | शहरी सिटी डिजाइन

RE: power bank and bluetooth speaker manufacturer

Dear Purchasing manager,

How are you? Thank you for reading this mail it will not be a regret for you.

This is Milly from Shenzhen Success Electronic Co., Ltd
We are manufacturer of bluetooth speaker and power bank with high quality and competitive price. Hope to cooperate with you!
Anyway feel free to contact us if you want to ask a question or inquire on a sample order, thanks.
Bluetooth Speaker
Power bank
Can you transfer the e-mail to your Purchase Department if you are not responsible for purchasing.Thank you!
Best Regards
Shenzhen Success Electronic Co., Ltd
-----------------------------------
Milly Zhao
Mob/whatsapp:86-18219350062
Tel:+0086-755-25610311
Fax:+86-755-25610611
Email:sales03@scsetc.com
Skype:sales03_454
Web:http://www.scsetc.com
Global Sources:http://www.globalsources.com/scs-tech.co
Factory Add:23 building,Buyong Industry,shajing district,Shenzhen,China
Office Add:Room 606,Xingji Building,Xinsha Road,Bao'an shajing district,Shenzhen,China

90 ohm double sided impedance controlled PCB

Dear Bloggggg1111.Grouponbk,

Good day.

This is a courtesy email to let you know that in order to obtain the ideal signal quality and transmission characteristics, high speed USB2.0 device usually requires the stacked layers of PCB is at least 4 layer. An option can be selected is Signal-GND-VCC-Signal. For a simple USB bus, it also can be designed as double sided.

Here's an example of 90 ohm differential impedance controlled PCB for USB.

1) FR-4 TG>130

2) 17.5um initial copper, 1.1mm finished thick

3) L1/L2 30/10 mil 90 ohm+/-10%

4) Immersion gold finish

5) Stack up

---------- OVERLAY (TOP) .GTO

--- ---------- SOLDER MASK (TOP) .GTS

| ---------- LAYER 1 (TOP LAYER) .GTL

1.1mm DIELECTRIC (FR-4 core)

| ---------- LAYER 2 (BOTTOM LAYER) .GBL

--- ---------- SOLDER MASK (BOTTOM) .GBS

If you have requirement on these PCB's, please reply back to this email or following contact by your gerber files and we will get back to you asap.

Ruth Huang | Business development

Bicheng PCB |(86-755-21949341 | www.bicheng-pcb.com | sales12@bicheng-pcb.com

If you do not want to receive emails from Bicheng about marketing communications, reply as "remove" in the subject line.

Bicheng is located at Baoan, Shenzhen, China 51803.

Hope to be your kitchen knife supplier-True Color

Dear Sir/Madam,

Have you received my email I sent you several days ago?

This is Angela from True Color Household Co.,Ltd.

Now I'm writing for keeping in touch with you for further business. If any new inquiry, welcome here and I will try my best to satisfy you.

By the way, I'm here recommend some new items to you, which covers our latest designs.We believe that you will find them most attractive.

Looking forward to hearing from you!

Thanks and best regards,

Angela

True Color Household Co., Ltd

Add.: No.31,Yuyuan 1 Road Yangdong Industrial Zone,Yangjiang, China

Tel:86-662-3136611

Fax:86-662-3136511

E-mail: Angela@yj-tc.com;

alan@yj-tc.com;

Website: www.yj-tc.com

Immersion gold PCB

Dear Bloggggg1111.Grouponbk ,

Good day.

This is a courtesy email to let you know that Bicheng company provides printed circuit boards in various surface finishes, inclusive of HASL, immersion silver, immersion tin, OSP and important immersion gold.

Introduction:
1) Full name: Electroless Nickel and Immersion Gold(Ni/Au)
2) Short name: ENIG
3) Advantage:
a.The most important feature is that the surface of all pads is perfectly flat.
b. Low defect rate. An important reason for PCB user choosing nickel/gold surface protection is a highly reduced failure rate during assembly and soldering compared with solder-coated and HASL boards. Especially for BGA or even CSP mounted components.
c. Other advantage like high solderability, no stressing of boards, less contamination of board surface, long shelf life etc.

If you have requirements on this PCB's, please reply back to this email or following contact by your gerber files and we will get back to you asap.
Wish you the very best business.

Ruth Huang | Business development

Bicheng PCB |(86-755-21949341 | www.bicheng-pcb.com | sales12@bicheng-pcb.com

If you do not want to receive emails from Bicheng about marketing communications, reply as "remove" in the subject line.

Bicheng is located at Baoan, Shenzhen, China 51803.

Manufacturer of kitchen knife-True Color

Dear Sir/Madam,

How are you! This is Angela from True Color Household Co., Ltd.

As a modern company, we have our own factory, which passed ISO9001:2008 certification, and our products passed LFGB and FDA.

Besides, we have our excellent design team to develop about 10 kinds of new items every month for European market.

What's more, our monthly output is very large with fast delivery.

If any enquiry, please feel free to contact me.

Thanks and best regards,

Angela

True Color Household Co., Ltd

Add.: No.31,Yuyuan 1 Road Yangdong Industrial Zone,Yangjiang, China

Tel:86-662-3136611

Fax:86-662-3136511

E-mail: Angela@yj-tc.com;

alan@yj-tc.com;

Website: www.yj-tc.com

sports cameras gear.

Dear sir,

I am Mike from China, we supply sports HD camera accessories.

for more info www.outdoorgeargopro.com

Mike(Sales manager)

Shenzhen Horizon Outdoor Gear Co,.Ltd
website：www.outgeargopro.com www.outdoorgeargopro.com
Address:5F/D1,Huafeng Industry Park,baoan Road,Gushu ToBaoan District,Shenzhen,China.
电话Tel：0755-85269200 传真FAX：0755-85269200

Contact:Mr Mike skype:outdoorgeargopro

Mike(Sales manager)