Trench cover grating installed three considerations: 1, in order to ensure the basis of strength, pre-installation tree pool cover, must prefabricated cement foundation. 2. After installing the tree pool cover is in place, the installation of the fastening bolts to the bottom of the box to irrigation sediment slurry. 3, according to the actual requirements, make any shape size or eccentric tree pool cover. Features: (1) high strength, light structure; (2) strong pressure welding grid structure with high carrying it, the structure of light, easy loading and other characteristics; (3) the appearance, durable: hot-dip zinc surface treatment to make it has a very good corrosion resistance, surface gloss appearance; (4) good ventilation, lighting, cooling, explosion, skid resistance; (5) against product contamination. Usage: widely used platform petrochemical, power plants, water plants, sewage treatment plants, municipal engineering, environmental engineering and other fields, walkways, theaters, visit the platform, parking lot and other large establishments ground platforms, and so on. Anping VAI steel grid MILL (Business) Other Information: Delivery platform grid plate - spherical railing fence - galvanized railings - Abstract: nbsp; has a novel appearance, easy to install, durable, maintenance-free characteristics. 3, the ball Supply galvanized mesh panels - ladders treads - Ma Daoping table grill Abstract: m40mm, 45mm, 50mm, and so on. Steel grating steel thickness 3mm, 4mm, 5mm; cannabis supply G325 / 30 / 100W grid plate - galvanized summary:, 50MM Hole shape: Upon request, the adjacent force flat pitch, common 30MM, 40MM, supply Galvanized steel grating plug - steel grid MILL - Municipal Drainage Abstract: other size specifications can be customized) flat center spacing: 30mm / 40mm / 60mm (other size specifications can be fixed supply steel grating - galvanized platform network Grating - metal grating Abstract: welding the welder from the original plate, after cutting, incision, opening, edging and other processes of deep processing of finished .2 customer requirements, supply platform grating - galvanized mesh grid Board Specifications - Pattern Grid Abstract: walking, heavy vehicles, cargo trucks and other occasions of pressure-locking trench cover need larger size flat steel production, VAI pressure lock ditch cover supply ball column railing staircase railing protection spherical / Galvanized Gold Abstract: save costs, compared to the fence for a long life). Fence post style: C stands for taping square steel column, write a little tooth represents supply grid sheet - galvanized trench cover plant - municipal wells compliance summary: 5 Material of steel: 25 * 5,30 * 5,32 * 5.40 * 5.50 * 5.60 * 5, between steel supply rainwater grate - galvanized steel grating - rain grate covers Abstract: hot-dip galvanized products has obvious acid, corrosion resistance, aging index reached three or more, than the life of the supply of galvanized ball stud rail / shopping building protective railings Abstract: The protective railings. Spherical railing specifications: (1) Best railing H = 1015 (ball center height) for