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TP321/TP321H Stainless Steel Tubing
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ASTM A312 / ASTM SA312 Stainless Steel 310s Tube
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Sch10 40 80 SUS310S 304 316L 321 310S 347 316ti Tube Seam...
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ASME B16.5 900#-2500# RF FF RTJ UNS N08020 LWN FLANGE
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ASME B16.5 150# PSI 900 ALLOY MONEL 400 FLANGE
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API 5L Grade Pipe Fittings
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API Spec 5DP S-135 Drill Pipe
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ASME Stainless Steel SS316L Cap
- 26+
Years production
experience - 30+
Business Manager - 20+
Production Line - 3500000+
Tons exported per year
About Our Company
Henan Shuangzhong Intelligent Technology Co., Ltd., an expert in precision manufacturing and pipeline system solutions, was founded in 1999. We are a professional manufacturer specializing in custom precision machining, pipeline equipment and fittings, and rubber hoses.
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Why Choose Us
We meet the diverse needs of various industries for high-performance, high-precision, and highly reliable industrial components.
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Diversified Services
We offer diverse production lines and processing capabilities.
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Competitive Customization Service
We provide convenient one-stop procurement and comprehensive customization services.
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Deep Industry Roots
We have become a significant supplier and procurement center, both domestically and internationally.
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High-End Applications
Under extreme working conditions, our products have become an indispensable choice for customers due to their excellent performance and reliability.
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Leading Technology
We have obtained over 30 product patents and 100 technical patents, which lay a solid technological foundation for our company.

























