
Jiahao Manufacture 1/4+3/8 Home HVAC Copper Pipe 78 Line Set Mini Line & Split Copper Set. 2-Year Warranty: Comprehensive 2-year warranty coverage for mechanical defects. OEM and ODM Support: Full customization services including logo printing and design. Free Sample Available: Samples provided free of charge; customer pays only express cost. International Certifications: Certified by TUV, ISO9001, and ROHS for quality and safety. Manufacturer Direct: Direct sales from factory with 100% finished product inspection. Flexible Payment Terms: Accepts T/T, L/C, Credit Card, PayPal, and Western Union. Fast Production Time: Standard production lead time of 15-20 days. Online Technical Support: Dedicated online service team for customer assistance.