We persisted the service idea of“Wan Manman’s cell, lets you feel relieved”, provide continues highly effective, quick pre-sale and the post-sale service to the customers. A. Provides the power source solution (including sample, technical data and design idea). B. The adjustment and the forecast of customer’s demand, and recommends new products. C. Provides the product’s technical training. D. Accepts the test of batteries form customers . E. Reply within 24 hours to customer’s feedback.
