Mr. Xie is the owner of a chemical nickel electroplating factory in Tianjin. His production line mainly focuses on the processing and production of high phosphorus chemical nickel plating on mechanical parts.
Mr. Han is the owner of a speaker parts galvanizing factory in Ningbo, Zhejiang Province, which ranks among the top ten in terms of production scale in the local area.
Mr. Wu is a master at a zinc plating factory in Shantou, mainly engaged in the processing and production of acidic zinc plating for hardware accessories.
Mr. Yang from Guangzhou is the owner of a home appliance plating factory, and his production line mainly involves the processing and production of phosphorus chemical nickel plating on aluminum radiators.
During the process of using acidic zinc plating brighteners, we sometimes find that the coverage ability of the zinc coating on the produced workpiece is poor, especially in the blind holes or recesses of the workpiece where the coating is thin or lacking. What is the reason for this?
Mr. Lin is the owner of a tin plating factory. Recently, during the process of using acidic tin plating brighteners, there will be a circle of blackening on the surface of the tin coating of the workpiece.