Beihai Yongchengli Electronic Technology Co., Ltd., one of branch company of Hong Kong You CL Holdings Limited, was founded in 2007, a professional manufacturer of electronic calculators, clock, timer, power bank, etc.    Our company introduce many top-ranking production equipments, including 40pcs of injection machines, 30pcs of welding machines,50pcs of printing machines, 8 sets of assembling production lines and set up the most important environmental test centre to guarantee the quality.    Yongchengli achieves the ISO9001:2015 international quality system certificate.Products pass CE and ROHS, developing good partnership with many famouse customers such as CITIZEN, Walmart, Dollar General, Olympia, etc. Our yearly turnover is around 13 million US dollars. 10 million pcs per month capacity.    We sincerely welcome customers from all over the world to join hands with us and create brilliant future together!