Xinxiang Foreign Language Primary School Electronic Display Project Inquiry Announcement


The Xinxiang City Public Resource Trading Center is entrusted by the Xinxiang Foreign Language Primary School to inquire about the electronic display project of Xinxiang Foreign Language Primary School. Suppliers who meet the corresponding qualifications are welcome to participate.

I. Procurement Project Name: Xinxiang Foreign Language Primary School Electronic Display Project

Second, the procurement project number: new exchange 2009XJ119

Third, the procurement project content:

Semi-outdoor PH10, monochrome LED display; screen size: 6.51 m * 0.89 m on the front; 1.44 m * 0.89 m on the back. Including the cost of installation and commissioning (specific requirements are subject to the inquiry documents).

Fourth, qualified suppliers should have the following conditions:

1. Have the ability to independently bear civil liability, and the registered capital of the business license is more than 500,000 yuan;

2. Have a good business reputation and a sound financial accounting system;

3. Have the necessary equipment and professional technical ability to perform the contract;

4. Ability to pay taxes and social security funds in accordance with the law;

5. In the three years prior to participating in government procurement activities, there were no major illegal records in the operation;

6. This project does not accept consortium bidding.

V. Price of inquiry documents: 100 yuan / share (not refundable after sale)

Sixth, the time of purchase of inquiry documents: September 15, 2009 --- September 17, 2009 (excluding holidays)

9:00-11:30 am 15:00-17:30 pm

VII. Purchase inquiry document Location: Registration Office of the service hall on the first floor of Xinxiang City Public Resource Trading Center (No. 115 Renmin East Road)

contact number

8. Deadline for submission of quotation documents and inquiry time: 09:00, September 23, 2009

IX. Place of submission of the quotation document: Room 4, Bund Opening, 2nd Floor, Xinyuan City Public Resource Trading Center

X. Government centralized procurement agency: Xinxiang City Public Resource Trading Center

Project Contact: Li Taifeng Tel: 3035300

eleven,

The original and a copy of the following supporting documents must be provided when purchasing the inquiry documents:

1. The supplier's sole power of attorney (authorization form is downloaded to the “Download” section of the Xinxiang Public Resource Trading Center website. The website: http://)

2. Trustee ID card

3. Copy of business license

Xinxiang City Public Resource Trading Center

September 14, 2009




MC PCB--Metal Core Printed Circuit Boards


MC PCB means metal core printed circuit boards. why use metal,not FR4/CEM-1 or others? All is to get high thermal conductivity. The most MC PCB is Aluminum PCB, Aluminum has good heat transfer and dissipation ability, but also cheaper than copper based PCB.Many customers asked a quote for MC PCB but without the thermal requirements.If you know the thermal conductivity is the most most important thing for MC PCB,then 

you will know why the price is so difference. Normal thermal is from 0.8-2.00 W/m.k,and higher can up to 8.0 W/m.k,even more if you need ,but ,are you sure ? When we quote to you ,we have to ask you the thermal conductivity,it is not only about cost but your product.Many factories used low thermal ,can you use the boards?


MC PCB uses in LED lights,Industrial power equipment,Cars,Power,etc. Bergquist is the top quality metal core material but top cost as well. 

Thermal Conductive Board (TCB), or Insulated Metal Substrate (IMS), provides the advantages of high thermal conductivity, reliability and solder heat endurance. The TCB substrate is a sandwich structure, which includes layers of conductor, insulator and metal base.Traditionally, this insulator is made of epoxy, epoxy filled glass fiber, polyimide, or other dielectric materials. However, these kinds of insulators could not meet the requirement in high-power electronic devices. The heat generated by these devices will accumulate, and
the life time and reliability of the end product will decrease. 
Visit bergquist to get more information about high thermal.
PTTC (Polytronics) is another top quality but much cheaper than Bergquist in the word ,it is made in TaiWan .visit PTTC.

MC PCB

MC PCB,MC PCB Board,White Solder PCB,Led Aluminum PCB

Storm Circuit Technology Ltd , http://www.stormpcb.com

Posted on