The quality of copper and aluminum composite loose products must be improved

Copper aluminum composite radiator is a little thermostats demex dmo 1140 /dms 1141 bit problematic:
1) Material: TP2 or T2 high -quality and high -quality, different, inferior, inferior, inferior copper pipes.
2) Wall thickness: The minimum riser is 0.7mm, and the thick wall thickness of the upper heater thermostat and lower boxes of the upper and lower boxes is 1.0mm.
3) Welding: often leakage, better use of high hard stuffed, welders, welders, technical training
4) Donation tube: There is a recommendation of 0.3mm, but it is often loosening and loosening
5) Bringing: After the joint box is firm and firm, welded, and the edges are good, and the edges are well turned well.
5. Thicker to the flower
My forced "Specifications for House Design" "" "" "Structure: Structure: Structure: Structure, easy to clean, easy to clean, and facilitate cleaning 120mm and 140mm. Welcome to design, appearance, colorful users need to be counterer: 110mm, 110mm, large rounded corners; The thick cover is 70mm thick, structured structure, the heat dissipation increases the wing streamline, three leaves, three leaves, each, each