It undertook the construction of a total of 86 renovation projects of Qingdao's urban water supply pipe network from 2009 to 2012, with a total length of about 52.8 kilometers.
It undertook the construction of a total of 86 renovation projects of Qingdao's urban water supply pipe network from 2009 to 2012, with a total length of about 52.8 kilometers.
It undertook the construction of a total of 86 renovation projects of Qingdao's urban water supply pipe network from 2009 to 2012, with a total length of about 52.8 kilometers.
It undertook the construction of a total of 86 renovation projects of Qingdao's urban water supply pipe network from 2009 to 2012, with a total length of about 52.8 kilometers.
It undertook the construction of a total of 86 renovation projects of Qingdao's urban water supply pipe network from 2009 to 2012, with a total length of about 52.8 kilometers.
It undertook the construction of a total of 86 renovation projects of Qingdao's urban water supply pipe network from 2009 to 2012, with a total length of about 52.8 kilometers.
It undertook the construction of a total of 86 renovation projects of Qingdao's urban water supply pipe network from 2009 to 2012, with a total length of about 52.8 kilometers.
It undertook the construction of a total of 86 renovation projects of Qingdao's urban water supply pipe network from 2009 to 2012, with a total length of about 52.8 kilometers.
