Hebei Longsheng Metals & Minerals Co., Ltd.
Hebei Longsheng Metals & Minerals Co., Ltd.
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LSAW Pipes |
LSAW Pipe (Longitudinal Submerged Arc-Welding Pipe), DSAW pipe (Double Submerged Arc Welded Steel Pipe), Both of them are made of Steel raw materia... |
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Grooved Butterfly Valve |
Grooved valvesare fixed to the pipes by means of standard clamping couplings. The grooved end clamping system is widely used for indoor fire protec... |
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Square and Rectanguilar Tubes |
Rectangular/Square hollow section are formed from coils and then ran through a series of molds. They are are welded from the inside to form their s... |
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ASTM Flange |
The American Association for Materials and Testing, known in English as the American Society for Testing and Materials, it is one of the largest st... |
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Lug Type Butterfly Valve |
Lug butterfly valve has simple structure, small volume, light weight, and has good fluid control characteristics. Its disc is installed in the diam... |
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