Looking for a supplier of AR15 9.75 inch gas tubes. Interested in purchasing a couple thousand units. Please provide available options and delivery time details.

Sourcing API 5CT compliant materials. Request quotation for coupling stock or accessory material, processed coupling stock or accessories - Plain End, half finished Couplings (cut to Coupling length, OD machined). Required material grades: L80 Type 1, N80 Type 1, K55, J55, P110. Ask for material origin and specifications, certification (API 5CT, MTC, etc.), pricing and payment terms

Seeking quotations for API 7K Certified Rotary Drilling Hoses. Details include: 1. 222 meters of High Pressure Rotary Drilling Hose (Kelly Hose), Spiral Steel Wire Reinforced, API 7K Certified, Working Pressure: 6000 PSI, Size: 4" x 6m, FIG100 compatible coupling with sockets and fittings, Assembly ready; 2. 18 pcs of High Pressure Hose, 2" x 10m, R15, 6000 PSI, FIG1502 (Hammer Union); 3. 12 pcs of High Pressure Hose, 2" x 18m, R15, 6000 PSI, FIG1502 (Hammer Union). Additional requirements: All hoses must be manufactured in accordance with API 7K specifications and have ISO1307 Certificate. API 7K certificate and related test reports must be provided for each batch. All couplings, fittings, and materials must be pre - approved by quality control team. Delivery terms, lead times, and payment terms should be clearly stated in the quotation.