Reliable Pipeline Solutions for Russian Oil & Gas Sector
We’re pleased to announce C&N Hongcheng’s participation in NEFTEGAZ 2025, Russia’s leading oil & gas exhibition, from April 14-17 at Moscow’s Expocentre. Visit our booth to discover specialized pipeline components compliant with GOST standards.
Featured Products
1. GOST Flanges
- Material: ASTM A182 P321 stainless steel
- Key Advantages:
✔ High temperature resistance
✔ Full material certification
✔ Precise dimensional accuracy

2. GOST Seamless Pipes
- Specification: Ø108x4mm
- Material: ASTM A312 TP321
- Main Benefits:
✔ Corrosion-resistant construction
✔ Strict quality control
✔ Custom packaging solutions

Quality Assurance Comparison
| Feature | Our Products | Standard Products |
|---|---|---|
| Material Check | 100% tested | Random sampling |
| Delivery Time | 5 weeks | 8-10 weeks |
| Tolerance | ±0.8% | ±1.5% |
Visit Our Booth
Dates: April 14-17, 2025
Location: Hall 3, Booth B21
Special Offer: Early visitors receive free technical consultation and GOST compliance guide.
C&N Hongcheng holds ISO 9001 certification with 15+ years of experience in pipeline manufacturing.
For more information about our participation in NEFTEGAZ 2025 or our products, please visit our website or contact us directly. We are excited to connect with you and discuss how C&N Hongcheng can meet your specific needs in the oil and gas industry.
C&N Industiral,huitong limtied is professional pipe,flange and fitting manufacturer,our products approved by PDO, SADARA, SWCC,PDO etc.