Production Process ACERA specifically prints the brand mark of “Liven Clay” on the bottom of pot/cup series products, symbolizing that the pottery also shows the continuation of healthy Liven products and oriental aesthetics. The figures under the bottom mark represent the manufacturing year of each product, while the English letters under it are the codes for different craftsmen, indicating ACERA’s responsibility for product process. Various small marks to the right of the English letters represent different glaze sprayers who sincerely deliver the best products to you with their most defined attitude.