Premium‑grade Jintian Copper Coils—manufactured for HVAC and refrigeration systems by Rubo Al Hail International Enterprise L.L.C., Muscat, Oman. Ideal for bulk wholesale supply to contractors and service providers in Muscat and throughout Oman. Key specs:

• Seamless copper tubing, purity ≥ 99.9% 
• Complies with ASTM B280 / EN 12735 standards 
• Available in pancake rolls of 15mtr. 
• Excellence in thermal conductivity and corrosion resistance 
• Supplied ready for large‑scale commercial HVAC installation