· Demand research and technical support: Engineers cooperate with customers to conduct research from a professional perspective, grasp the actual situation on the spot, and fully and accurately understand customer needs.

· On-site assessment and submission of professional plans: Senior engineers submit detailed site parameters to customers based on on-site inspection results. Based on the most accurate customer site situation, in line with the principle of reasonableness, provide professional solutions.

· Determine the professional optimization solution and determine the product: After in-depth communication with the customer, the senior engineer who follows up the customer service throughout the process submits the optimal solution to the customer and determines the optimal product selection goal.