Stone Crushers In The Developed Countries

The crushed stone industry in developed country like USA is the largest non-fuel

, non-metallic mineral industry with respect to both total volume and value of production with about 901 million tons production valued at over 2 billion US $ in year 1975. The industry is geographically highly dispersed with all states. The stone production by individual states is proportional to population and industrial activity. There are over 5400 crushers in the USA located in urban, suburban and rural areas. Plans are either stationary or portable type in the capacity range varying from 100 tons to several thousand tons per hr. The various rock type processed are lime stone, granite, trap rock and sandstone. Important products include construction related material such as specified and unspecified construction aggregates and road stone, concrete aggregate, bituminous aggregate etc. As per USEPA data, the crushed stone industry was ranked third highest among the nations 56 no. of largest particulate source emitting category industries in the year 1975. The prices of the crushed stone in USA vary from place to place depending on the transportation involved, costs of raw material, size of crushed stone etc. Typically the prices range (converted in equivalent Rs.) from Rs.90 to Rs.370/ton for 1.5 size stones and about Rs.250/- per ton for 0.75 size stones. Typically the transportation costs range from Rs.25/- to Rs.75/- per ton from the quarry to city. As the professional manufacturer of complete sets of mining machinery, such as sand washing plant, Henan Hongxing is always doing the best in products and service. The financial profile of typical stone crusher plants indicates the industry sector operates on an average profitability of about 7%, the industry if capital intensive, depreciation and depletion represent major sources of funds for capital expansion and a major portion of the industrys assets is tied up in working capital, primarily inventories and accounts receivable. Crushed stone is generally distributed directly from the quarry to the user with no intermediary involved. It is readily available in most metropolitan areas because transportation and distribution are predominantly by truck. Inventories are held almost entirely at the quarry location because double handling would be prohibitively expensive, and customers maintain only sufficient inventory to ensure uniform production rates over a pre-determined time. Typically the crushers operate for 9 months in a year in USA. sand maker:http://www.crusher-machine.com/18.html sand maker:http://www.hx-crusher.com/sand_maker.html

by: Hongxing Mining Machinery

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