shandong hong yan equipment manufacturing co., ltd. located in the beautiful shandong province，china．the geographical unique investment environment is superior, it engaged in the production and sale of sand mining machinery, river、pond dredging, salt lake mining, iron ore –withdrawing equipment manufacturers.
main products: dredger,sand dredger, pumping sand, sand screening machine, transport ships, gold vessels, sand cleaning equipment, sand washing machine, sand screening crushing washing machine, iron ore extraction equipment, conveyors, etc., a total of six series of more than 20 varieties.the sand mining machine of our produced managed to contemporary
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