Ningxia Teachers College Academic Report Hall lighting, LED display, etc...

Title: Ningxia Teachers College Academic Report Hall Lighting, LED Display, etc. Design and Construction Installation Tender Notice Tender No.: NXITC090604G017 Announcement Date: June 23, 2009 Deadline: June 28, 2009 Tendering Agency: Ningxia Teachers College Provinces and cities: Ningxia Hui Autonomous Region... Content: Ningxia International Tendering Co., Ltd. was entrusted by Ningxia Teachers College to conduct open bidding for the design and construction of the lighting and sound of the academic lecture hall of Ningxia Teachers College. Tender No.: NXITC090604G017.
First, the content of the tender:
Design, construction and installation of lighting, sound, LED display, seats, etc. in the academic lecture hall.
Second, the tendering method: open tendering.
Third, the bidding unit qualification requirements: Building decoration engineering design special qualification Grade B and above and building decoration and decoration professional contracting level two and above qualifications.
IV. Time and place for registration and tendering documents: From June 22, 2009 to June 28, 2009, the fourth project department of Ningxia International Tendering Co., Ltd. (6th Floor, No. 86, Jinning North Street)
V. Time and place of bid opening: Bid opening time: 9:00 am on July 13, 2009, the bid opening place is Ningxia bidding comprehensive trading center.
Interested bidders please call further! Company Name: Ningxia International Tendering Co., Ltd. Contact: Dai Wei, Zhang Lei Tel: 0951-5054611 E-mail: Fax: Postal Code: Address: 6th Floor, No. 86, Jinning North Street

DB-S Diode

DBS diode series patch rectifier bridge stack is composed of 4 rectifier diodes connected and packaged in the form of a bridge full-wave rectifier circuit, which belongs to a full bridge. There are four lead-out pins, the connection point of the negative poles of the two diodes is the "positive pole" of the DC output terminal of the full bridge, and the connection point of the positive poles of the other two diodes is the "negative pole" of the DC output terminal of the full bridge. Reverse repetitive peak voltage range: 50V~1000V, average rectified output current 0.8A~1.5A: forward non-repetitive surge current 30A (60Hz sine wave, one cycle, Tj=25°C). For specific parameters, please refer to the specification or consult online customer service.

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