1. Develop business partnerships with customers including solar installers, retailers and wholesalers to achieve sales targets. 2. Visit customers and introduce the company's products and solutions to them. 3. Make sales strategy and B2B channel development plans in line with company strategy. 4. Provide regular training to team members. 5. Provide regular reports on sales, competitors and market trends. 6. Provide general customer support to all B2B customers and work with other teams to achieve customer satisfaction.