Welcome Mr. John Wielstr to give DYE team a Marketing training

Thanks to Mr. John Wielstr for providing 2 days of marketing training to the DYE team. This training improved the sales staff's sales capabilities and enabled them to steadily improve their performance. It has honed the sales staff's ability to cope with market changes and emergencies, and enhanced their sales competitiveness. It also deepens team building and stimulates internal vitality, making our company more competitive in this market environment full of opportunities and challenges.