Address：Quan Village 　Economic Development Da 　Cheng County He BeiProvince  　Tel:0316-5788833 　　　0316-5799856 　Fax：0316-5788801 　E-mai：hl@lfhongli.cn 　MSN:andyjgl@hotmail.com	Rock wool board Rock wool products are manufactured with basalt as main ingredient, made into inorganic fiber in high speed centrifugal machine after melting .A certain amount of cementing agent, rustproof oil, silicon oil is added into the raw material which is made into rock wool board ,rock wool pipe etc .   Rock wool Pipe Rock wool products are manufactured with basalt as main ingredient, made into inorganic fiber in high speed centrifugal machine after melting .A certain amount of cementing agent, rustproof oil, silicon oil is added into the raw material which is made into rock wool board ,rock wool pipe etc .   Rock wool felt Rock wool products are manufactured with basalt as main ingredient, made into inorganic fiber in high speed centrifugal machine after melting .A certain amount of cementing agent, rustproof oil, silicon oil is added into the raw material which is made into rock wool board ,rock wool pipe etc .
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