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Bored  Precast  Piles

Bored  Precast  Piles Bored  precast concrete  piles  are  constructed  in  a casting  yard  and  subsequently  lowered  into  prebored  holes and  the  space  grouted. As  far  as …

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Building Gypsum

Building Gypsum Gypsum is an air-hardening materials mainly consisting of calcium sulfate. And its products have many excellent characters, commonly used in construction. There are…

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