Guangshengde wave soldering reflow soldering customer group-electronic processing and manufacturing companies currently have 279 in the country. Basically, Guangshengde customers will become Guangshengde friends. After these companies have used Guangshengde wave soldering and reflow soldering, they feel that Guangshengde products are of good quality and after-sales service is in place. They will introduce customers to Guangshengde. At present, the customers in the electronic processing industry of Guangshengde wave soldering reflow soldering are basically introduced by customers.