Ningxia Construction Vocational and Technical College electronic screen procurement

Commissioning Plan No.: NCW-09-1404

Purchasing Document No.: NZC/A090279

Purchasing agency: Ningxia Construction Vocational and Technical College

Contact: Meng Xianghui Tel: 0951-2138066

Tendering agency: Ningxia Government Procurement Center

Address: No. 86, Jinning North Street, Yinchuan, Ningxia

Registration Contact: Zhang Haohua Tian Bin Tel: 0951-5033931 Email:

Bid Opening Contact: Ma Zhenjun Sha Hao Telephone, 5051130 Email:

Winning the notice of the winning bid: Cheng Hao Tel:

Announcement media: China Government Procurement Network (); Ningxia Hui Autonomous Region Government Procurement Network ();

Ningxia Tendering and Government Procurement Network ()

Bidding content:

Project name serial number technical requirements electronic screen
1
Area 8200┨?~1540┨ 2
Resolution 10000 pixels / square meter 3
Screen brightness ≥ 8000cd/m2, 1024 manual or automatic adjustment 4
Angle of view (horizontal/vertical) Level: ≥1250 Vertical direction: ≥950 5
The best viewing distance is 10m-100m 6
Continuous working hours>72(Hrs) 7
Display life is greater than 100,000 hours 8
Luminous tube life >100000 (Hrs) with 2 pure red 9
Mean time between failures ≥ 1000 hours 10
Screen weight 55kg / m2 11
On-screen mode asynchronous mode control, drive, brightness technical parameters
1
Software interface standard computer interface, compatible with Windows, Unix, Novel 2
Reverse Y correction factor 2.2 to 2.8 (adjustable) 3
Frame change speed, screen scanning speed ≥ 65 (frames) / sec 4
Refresh rate ≥120 Hz 5
Brightness uniformity lowest pixel brightness / highest pixel brightness > 0.4 6
The video shows a signal to noise ratio of not less than 40db 7
Data transmission twisted pair, using 1000M network standard 8
Communication control distance >100 meters, single mode fiber up to 15KM 9
Communication method 1000M network standard 10
Communication line model specifications super five twisted pair other 1
Protection system over temperature / overload / power down / image compensation / nonlinear correction / self test 2
Protection class IP35 3
Working voltage AC220±10%; 50HZ; three-phase five-wire system 4
Test voltage of electric strength >1500V (AC RMS) should not cause insulation breakdown 5
DC control power supply output ripple is not more than 50mv 6
DC drive power output ripple is no more than 80mv 7
Line adjustment rate 0.5% 8
Load adjustment rate 0.5% 9
Rise time is no more than 300ms 10
Overflow protection rated output 115% 11
Overvoltage protection rated output 120% 12
80% of rated output of undervoltage protection 13
Short circuit protection has 14
Power control with controllable switch 15
Power consumption ≤500W/m2 16
Ground current 3MA. (The display protection grounding terminal should be marked. The display should have a warning sign at the fuse and switching power supply.) Appearance Technical Data 1
Surface flatness ≤1┨ 2
System working environment humidity -350C ~ +550C 3
System working environment humidity 10%-98%RH 4
Windproof 8th grade 5
The structure display unit and the frame are integrated to facilitate system cooling

Bidder qualification requirements:

1 Legal person power of attorney (original)

2 a copy of the business license;

3 The light-emitting components of the products to be invested must be issued with the original test report of the technical inspection department;

4 other qualifications related to this project;

Bid evaluation method: the lowest evaluation price method

Time for obtaining the bidding documents: from now until the 5 working days before the opening of the bid, the expiration will not be granted. Every day 8:00-12:00 am 2:30-6:00

Venue: Procurement Office of No. 86 Jinning North Street, Yinchuan City, Ningxia. (Ningxia Government Procurement Center, 4th Floor)

Ways to obtain bidding documents: Free distribution, and collection by email (if the bidder waives the bid, you must inform the center three days before the bid opening);

Foreign supplier registration process: The bidding unit will mark the full name of the unit, contact person, fixed telephone, mobile phone, email address, and reported items. The sub-labeling section should be faxed to 0951-5033931. The fax received by our center is deemed to be officially registered, and the electronic bidding documents are issued through the mailbox.

Please send the bid bond to:

Account Name: Ningxia District Bidding Management Service Bureau

Bank: CCB Culture West Street Branch

Account number: 64001120900050005417

Notice to the registration supplier: Official bidders are requested to submit the voucher for the payment of the deposit on the day of bid opening. On the same day, our staff member, Lin Lina, will handle the refund of the bidding guarantee for the unsuccessful bidder. If it expires, please be careful, thank you for your cooperation!

Bid Opening Time: August 26, 2009, 9:00

Bid Opening Location: Bidding Comprehensive Trading Hall, 4th Floor, Ningxia Government Affairs Service Center (South Side of Ningxia People's Hall, No. 108 Wenhua West Street, Xingqing District, Yinchuan City)

Ningxia Government Procurement Center

August 4, 2009

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