Sun Shi Refining Center specializes in teaching: gold plating and gold extraction technology for nickel plating, resin gold, copper gold, CPU gold extraction, gold water, gold salt, computer board, mobile phone board and electroplating pendant, and the characteristics and uses of gold powder removal and gold powder removal, commonly known as: gold powder removal is used to remove electroplated gold layers on aluminum gold, resin plate gold, copper gold, plastic gold and iron gold. 2, gold powder commonly known as: gold powder is yellow, refined and synthesized by imported chemicals, non-toxic, tasteless. 3. The speed of removing gold powder and returning gold is fast, and ordinary gold-plated parts can be completely removed in about 15 seconds without damaging the matrix. 4. The amount of stripped gold powder is small, and 500 grams of gold can be recovered by 1 kg stripped gold powder. 5. There is no need to adjust the PH value when recovering gold, and the recovery rate of gold is over 99.5%. 6. Removing gold powder and extracting gold to recover gold is simpler, faster and more convenient than the traditional gold extraction process, and requires less space for gold extraction. Third, the return of gold powder is commonly known as: per package 1 kg of gold powder, per package 120, Shentong Express, Tong Yuan Express, Tian Tian Express, Postal Express, SF Express, Bond Six, TYH, and sent to all parts of the country. 4. You can pay 30% in advance for more than 3 packages of gold powder, and the rest will be paid on delivery. 5. Sincere dealers and offices all over the country. Sun Shi Precious Metal Refining Training Center specializes in technologies such as gold extraction from electronic wastes, circuit boards, aqua regia, sodium cyanide, mobile phones, motherboards, CPU, silver-plated electrodes, waste films, waste water, silver contacts, silver-plated copper, iron silver and button cell. Face-to-face students can teach themselves, and correspondence students can mail DVDs and teaching materials, and provide long-term free guidance. Reference: www.taoj.net.cn