Cement sleeper, sleeper mining, concrete sleepers is what we do not want to be a genius. Success does not fall from the sky, from the fall in each station up a successful near an inch. No reason nor prestige. Each correct time, prestige increase of one. Cement sleeper Alias: concrete sleepers. General line by reinforced concrete sleepers a species divided into two series, namely S-series and J-series ("S" on behalf of the wire), "J" on behalf of steel). Divided by the carrying capacity of I, II, III level. 2 where I type for medium or light rail; type II for heavy and times heavy rail; III type for 75kg / m rail supporting the use of special heavy track. Various types of sleeper type 3 by the end of the top surface of the model sleeper tag and Make a difference. We pay attention to every detail of production, the first in the selection of materials, cement we choose C425 of acid and alkali, we selected three high-strength reinforcement steel, bolts we choose 6.8 and 8.8 high-strength bolts, clips we selected ductile After several rounds of treatment, the origin of these high-quality materials for our products to provide a guarantee. Shandong's coal production and supply of all kinds of long railroad ties, mine sleepers, concrete sleepers, concrete sleepers, concrete sleepers, hope our customers to order according to their actual needs.