The mark consists of the 3D image of a product packaging container, with the color green as the background displayed on four sides on the left of the packaging container, wherein "SMIC" and "SENJU METAL INDUSTRY CO., LTD" are displayed in two lines in white lettering on both lateral sides, and the top surface of the packaging container displays the stylized letterings in white of the words "ECO", with a globe appearing in white with green meridian and parallel lines inside the stylized "O", above "SOLDER", all above a series of white diagonal lines angled upwards to the right, and a series of green diagonal lines adjacently positioned to said white diagonal lines on which the foreign equivalents of the term lead-free is written in white the following different languages, appearing in the order from top to bottom and left to right: Japanese characters transliterating to "NA-MA-RI FRI", "LEAD-FREE", "BLEIFREI" in German, "SANS PLOMB" in French, "SENZA PIOMBO" in Italian, "SIN PLOMO" in Spanish, "SEM CHUMBO" in Portuguese, "BLYFRI" in Danish, "LOODVRIJ" in Dutch, "LYIJYTON" in Finnish, the Chinese characters transliterating to "WU QIAN", the Japanese characters transliterating to "MU EN", "LEAD-FREE", and the Japanese characters transliterating to "NA-MA-RI FRI". The broken lines depict the placement of the mark on the product packaging and are not part of the mark.