This time, China Mobile, as a partner, has ordered water meter manhole covers of various specifications to meet the needs of its various venues: 50 sets of large-sized water meter manhole covers of 1000500mm, suitable for centralized water meter installation areas in office parks, which can integrate multiple sets of pipeline accessories; 40 sets of 800600mm water meter manhole covers, adapted to public water metering points in office buildings of branch offices; 25 sets of small-sized water meter manhole covers of 400*280mm, mostly used in decentralized water usage scenarios such as staff dormitories, flexibly meeting the installation needs of different spaces.