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Qingdao O.B.T Manufacture Co., Ltd.
Qingdao O.B.T Manufacture Co., Ltd.

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  • What are the equipment used for precision casting
    What are the equipment used for precision casting
    What are the equipment used for precision casting.Each year OBT steel develop more than 300 sets new moulds.
    Mean while OBT steel strictly follow the Non-disclosure Agreement for our Customers.
    May 11,2020
  • Types and uses of foundry sand
    Types and uses of foundry sand
    Foundry sand is divided into silica sand and non-siliceous sand according to different mineral compositions.
    May 14,2019
  • Visiting vietnamese customers
    Visiting vietnamese customers
    OBT is committed to providing investment casting materials and equipments for 16 years. We can also provide more service according to customer's design requirement.
    April 17,2019
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