Recently，The Market Operation of the Pavement Engineering Branch Company Reported Good News Again，The Fourth Engineering Co., Ltd. of CCCC Second Highway Engineering Co., Ltd. won the bid in TibetSLot 1 of Line 5 Laze Tunnel Project，Mileage range is left holeZK14+402-ZK27+200，Right holeYK14+400-YK27+190 and asphalt concrete pavement outside the tunnel，The winning bid amount is more than 41 million yuan.。

The project starts from Deqing Town, Dazi District, Lhasa City.，The starting point is connected with Lalin Expressway.，The terminal is connected with the special highway from Gongga Airport to Zedang under construction.。The left tunnel is 12878 meters long.，The total length of the right tunnel is 12945 meters.，Belon to an extra-long tunnel，The project adopts the technical standard of first-class highway construction.。

Lhasa is the capital of the Tibet Autonomous Region.，Shannan is the birthplace of Tibetan nationality and culture.。The two cities are not only geographically adjacent.，In culture、Tradition、Market circulation and other aspects are closely linked.。I used to travel from Lhasa to Shannan.，It takes about 3 hours one way.，SAfter the completion of Line 5 project，It will greatly shorten the travel time.，It is to build a one-hour economic circle in central Tibet.、It is an important project of the three-hour economic circle and the three-hour comprehensive traffic circle in the whole region.。
The average elevation of the project site is about 4300 meters.，It is the first tunnel pavement construction project of the pavement engineering branch in the high altitude area of Tibet.。The successful bid，It is a new breakthrough for the company to actively explore the Tibet market.，It marks a new stage in the development of the company's engineering construction in Tibet.。