Henan Chalco is one of the earlier domestic enterprises specialized in R & D and production of various solders and fluxes. He has participated in the formulation of many national standards for brazing materials. The brazing aluminum sheets and strips produced by Henan Chalco are of good quality and high price, and are sold to more than 30 countries or regions at home and abroad. At the same time, Henan Chalco is one of the earliest domestic enterprises to introduce and produce brazing fluxes, and has made many scientific and technological achievements. Up to now, Henan Chalco has made a lot of breakthroughs in the fields of brazing processing, copper based brazing materials, aluminum based brazing materials and related fluxes...
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