If you are looking for a reliable grooved fittings manufacturer in China, choosing the right partner is critical for quality, safety, and timely delivery. Here are the Top 6 grooved fittings suppliers trusted by international buyers in fire protection, HVAC, and industrial piping projects.
Location: Shijiazhuang, Hebei, China
Main Products: Grooved couplings, grooved fittings, malleable iron fittings, fire protection pipe fittings
Certifications: ISO 9001, CE, CCCF
Highlights:
- Decades of manufacturing experience in B2B pipe fitting supply
- Reliable on-time delivery for overseas orders
- Strong presence in the US, Canada, Africa, and Middle East markets
- Supports standard and OEM/ODM customization
- Known for durable ductile iron and malleable iron grooved products
Jizhong’s grooved fittings are widely used in fire sprinkler systems, HVAC projects, and industrial pipelines, offering excellent corrosion resistance and easy installation.
Founded in 1982, Jianzhi is one of China’s largest grooved fittings manufacturers. It has FM, UL, CE, ISO 9001, and ISO 14001 certifications. Known for large-scale production capacity, strict QC, and high re-order rates from global customers.
Specializes in grooved fittings and couplings, with a 50,000 m² factory and over 500 staff. Certified by FM, UL, CE, ISO 9001, and ISO 14001, with an annual production exceeding 60,000 tons.
Over 30 years in piping solutions. Produces grooved couplings to EN, ANSI, ASME, DIN, and ISO standards. Holds UL, FM, CE, and BSI approvals, serving both domestic and export fire protection markets.
Large-scale manufacturer in Weifang producing over 100,000 tons annually. Certified with ISO 9001, ISO 14001, FM, UL, CE, and CCCF. Known for advanced R&D and wide product range.
Founded in 1961, the Meide Group has now developed into a modern, diversified multinational enterprise group focusing on fluid conveying products and services.
Why Choose a Certified Grooved Fittings Manufacturer in China?
When sourcing grooved fittings, always check for:
- FM/UL Certifications (especially for fire protection systems)
- ISO 9001 Quality Management
- OEM/ODM Capabilities for project-specific needs
- Global Export Experience to ensure compliance with local standards
If you need a supplier with stable quality, strong export track record, and flexible production, Jizhong is one of the best partners in the Chinese grooved fittings market.
