1, Raw materials: Copper pipe for R410A with high density& pressure and advanced workmanship;
2, Silver brazing with special designed soldering material & Aided welding for inner space, which have guaranteed disperse pipe with durability and no leakage;
3, Shape dimension has optimized from old ones: especially for TEE parts which has assured the influency of refrigerant; Besides, the improvement of pipe has greatly inreased cost performance;
4, Scrupulous quality control, inspection of raw material, semi-finished products & finished products each pipe has to proceed 6.5MPa pressure test before package. Surface treatment is among No. 1s in domestic.