Optical Filter,Bandpass Filters,Optical Band Pass Filters,Visible Light Filters Changchun Realpoo Photoelectric Co., Ltd. , https://www.optics-realpoo.comOn March 1st, following the on-line anniversary celebration on February 25th, Suning Tesco issued a notice again, continuing the main promotion of the website and continued to give back for 48 hours. Ling Guosheng, general manager of Suning Tesco, said that during the 1st anniversary celebration, the average daily visitors reached 2.5 million. At the Nanjing Yuhua customer service base, each customer service agent received an average of 20 per day.