The Company may, under specific customer requirements, design and manufacture other specifications shaped trench cover. 5 trench cover (rain grate) size selection: (1) trench cover flat direction bearing (support) direction, according to the ditch (wells) wide gaps remain flat fixed length L; (2) by the ditch. (Well) long typesetting rain grate, taking in line with standard processing module plate width 995mm, leaving a gap between the plates 5mm;. (3) trench (wells) remaining less than one meter long section modulus determined by size; (4) according to. Ditch (Wells) wide and steel grating load requirements of the selected model. (5) It is recommended to select a standard size trench cover design construction, and other specifications can be customized. Steel grating drain cover Europe, the United States and Japan have long been widely used in Australia and other countries, and wider use of municipal, gardens, car parks, factories, roads, docks and airports and other fields. Optional light load: 25 t / m2; cars, pedestrians campus residential garden, park, underground parking and other kitchen heavy: 70 t / m2; 20 tons of car-free plant, general highways, main roads roadside parking Field and streets and other super-heavy,: 140 t / m2; heavy trailers, container forklift Shandong rain grate, cranes and other aircraft traffic trunk road Weihai rain grate, large parking lot, mines, docks and airports. Rain grate | Jinan rain grate | casting provided by the Yangtze River Yangtze casting. This information consists of: Changyi City, Shandong Province, the Yangtze River Foundry (www.changjiangzhuzao.com) offer, we are Commercial Union membership, the integrity of the whole network authentication provider. Feel free to contact us, Contact: Zhang