1.To clean up the concrete and stones around the track, as well as the installation of the hole to clean up, can not be buried inside the steel and screws to contact, this is a detailed work, the operation should be careful.
2.Screw installation, after the screw is inserted, it will be level and top and fixed.
3. When solid bolts, grouting should be mixed grout material into the screw holes; should be spread grout dry and absorb moisture.
Parfitt specializes in the production of production of electric rail cart, low-voltage railcars, electric flat car manufacturers, our products are widely used in metallurgy, mechanical and electrical, heavy industry, shipping and other industries, customer appointment to discuss, select products, sign a contract, warehouse delivery and then to the product after-sales, all one-stop service, to solve all your problems.
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