The welding of silver jewelry needs professional tools. The most important thing is the welding gun used for melting and welding. The welding gun can adjust the flame size, aim the flame at the solder joint to make it integrate. This process requires skilled operation skills. Finally, tools such as files and knives should be used to shape and polish the solder joints.

General gold and silver shops can carry out welding maintenance, and you can also go to the place where you buy it. No warranty does not mean no repair.

What should tremella nails do when they turn black?

Wipe with cotton dipped in white vinegar, black silver sulfide will dissolve in ester acid, and silver ornaments will shine again.

Wipe with alcohol or sodium carbonate, and the effect is also very good.

Use detergent first, then sodium thiosulfate solution (prepared by adding 20g sodium thiosulfate into 100g water), and then clean the surface of the ornament with clean water.

Using 1 part tartaric acid, 1 part alum and1part salt, heating the mixture to boiling, and soaking the jewelry; /kloc-take it out after 0/0 minutes, wash it with clear water and dry it.

Washing with ammonia water and wiping the flannel with toothpaste can also restore the original luster.

Proper maintenance is also important.