Cold Storage Refrigeration Unit manufacturer / supplier in China, offering 15% Flux Coated Phos-Copper-Silver Brazing Alloy Welding Rods for Brazing Copper and Brass Parts, Blue Coated Silver Platinum Welding Rod Various Tools Compatible for Brazing Copper Brass Stainless Steel, Brand Coated High Silver Copper Brazing Alloys Welding Rods for Air Conditioners, Refrigerators and so on.