products
ABOUT US
Introduction
Our company’s product business scope can be divided into three categories: flanges, fittings, and expansion joints.
Flanges: welding neck flange, slip on flange, plate flange, blind flange, anchor flange, threaded flange, loose sleeve flange, socket welding flange, etc;
Pipe fittings: elbows, reducers, tees, crosses, and caps, etc;
Expansion joints: rubber expansion joints, metal expansion joints, and corrugated pipe compensators.
International standards: can be produced according to different standards such as ANSI, ASME, BS, EN, DIN, and JIS
These products are widely used in industries such as oil and gas, chemicals, electricity, shipbuilding, and construction.
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-Founded in 2001
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-26 years experience
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-+20 metal bellows production lines
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-98 employees
NEWS
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12Cr5Mo weld neck flange spectacle blind is about to be shipped to Yekaterinburg, Russia
Our 12Cr5Mo(ASTM A182 F5) Weld Neck Flange PN40 with Tongue-Groove face is applied for high-temperature & high-pressure process piping in refineries, petrochemical plants and coal-chemical projects. The material 12Cr5Mo features excellent high-temperature strength and good resistance to high-...
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Medium Frequency (MF) vs. High Frequency (HF) Induction Bending
Key Differences 1. Frequency Range & Heating Depth - MF Induction: - Frequency: 1–10 kHz - Heating Depth： Deep penetration (2–10 mm). - Effect: Uniform through-thickness heating, ideal for thick-walled pipes (≥10 mm). - HF Induction: - Frequency: 10–50 kHz - Heating Depth: ...
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