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forged and machined Weldolets for petrochemical by Qingdao Hexin Machinery Co., Ltd.

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  forged and machined Weldolets for petrochemical by Qingdao Hexin Machinery Co., Ltd.

Convection End Tube Supports by welding methods by Qingdao Hexin Machinery Co., Ltd.

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  Convection End Tube Supports by welding methods by Qingdao Hexin Machinery Co., Ltd.

Welded Convection End Tube Supports by Qingdao Hexin Machinery Co., Ltd.

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  Welded Convection End Tube Supports by Qingdao Hexin Machinery Co., Ltd.

venturi2 by Qingdao Hexin Machinery Co., Ltd.

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  venturi2 by Qingdao Hexin Machinery Co., Ltd.

Venturi 1 by Qingdao Hexin Machinery Co., Ltd.

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  Venturi 1 by Qingdao Hexin Machinery Co., Ltd.

Investment Casted Twisted Tube for petrochemical by Qingdao Hexin Machinery Co., Ltd.

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  Investment Casted Twisted Tube for petrochemical by Qingdao Hexin Machinery Co., Ltd.