- Tianjin Zhenkun Machinery Co., Ltd.
- Main products: High-frequency welded pipe, galvanized pipe, square pipe, rectangular pipe
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- H shape steel beams with high qualtiy at low price
- H shape steel beams used in steel structure work
- Glavanied H shape steel beam manufacturer
- H shape steel beams with various usage
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- Pressure carbon steel pipe and tube
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- Q235 ms steel angle bar
- Construction steel angle bar Q235
