Tin is a kind of soft metal with lower melting point and stong plasticity. Its value ranges fourth after platinum, gold and silver. It has the features of disinfection, without poison, anti-oxidation and fine luster. Adhering to the traditional technology, Rongshengda adopts the latest formula, which contains more than 97% of tin and more than 10 trace elements which do good to people's health. The pure tin productsthat are preserving. The color and flavor of tea or Chinese medicine are lasting after they have been stored for a long time. The tin drinking sets can make the wine flavorous and refreshing, warm in winter and cool in summer; the flowers in the tin vase are fresh and not easy to wither. An exquisite tin product is your first choice to present to your rerlatives and friends. It is also for your personal collection