We are offering ordinary portland cement standard: gb175-2007, jct452-2009, gbt19001-2008 idt, iso9001:2008 features: high strength, high steady, high quality, low fluctuate high purity limestone material, with advanced pyro-rapid pre-calcine, pre-heating technology. By advanced...
Room 2309, Tower 1, Kerry Everbright City, No.218 West Tianmu Road, Zhabei Destrict, Shanghai., China
13 Years
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