Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

United Precious Metal Refining 螢幕截圖

iPad

iPhone

About United Precious Metal Refining

* Check live precious metal spot prices.

* Frequently used Calculators
-- Estimate value of scrap gold and silver lots based on market price and purity.
-- Raise of lower the purity of gold
-- Ratios for producing sterling silver
-- Convert casting weights for different materials
-- Convert between Fahrenheit and Celsius
-- Convert between different units of weight