Welcome to "WNP Assay and Refinery Office"
We devote ourselves to develop and create the precious metals.
Our laboratory and facilities deliver the highest standard with a whole rang of tools and machinery essential for the jewelry industry and refinery services.
We are an expert in gold - trustworthy and fair
Gold is a natural occurring element that is found in veins of quartz and alluvial deposits. Pure gold is very soft and is alloyed with other metals to add strength and luster. The most common gold jewelry is 14k usually a mix of 58.5% gold and the remainder a mix of copper and other alloys. Melting Point = 1947.52 Degrees F. Measured on a 1k-24k scale.
Occurs naturally in a pure form or can be found in mineral form such as argentite. Silver has the highest thermal and electrical conductivity of any precious metal. Melting Point = 1763.2 Degrees F
Is one of the most rare elements found in the earths crust. Mostly found in South Africa in the alluvial sands of rivers. Platinum jewelry is 90-95% purity. Markings = Plat. or PT. Melting Point = 3214.9 Degrees. Our Platinum has a purity of 99.95% plus and is usually sold in sponge form, but can also be supplied as granules or bars. A range of platinum based compounds can also be supplied, including colloidal platinum. Assay certificates for each batch are available.
Our Palladium is sold with a minimum purity of 99.95%. Palladium feedstocks are sourced from a number of sources including process residues, electronic scrap, auto catalysts and scrap printed circuit boards. A range of palladium based compounds such as palladium chloride can be supplied.
Established in June 2012, WNP Global Trade is a family owned business specialize in jewelry industry and refinery services and now the company is one of the fastest growing gold and metals refineries in the country.
We pride ourselves on our customer service and generations of satisfied customers.
Today our services include
We are member of Thai Gem and Jewelry Trader Association