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GTE Gold & Silver Testing Equipment is a trusted U.S.-based supplier of professional testing kits, jewelry appraisal tools, and refining chemicals.

We are proud to be a leading authorized distributor of JSP testing solutions, the most recognized brand in the industry since 1980.

In addition to JSP Acids products, we also offer a curated line of private-label tools and solutions tailored for jewelers, refiners, collectors, and gold buyers.

Our products are known for accuracy, safety, and reliability — backed by fast shipping and excellent customer service.

"GTE Gold & Silver Testing Equipment is an independent retailer and authorized distributor of JSP Acids and other leading brands."

We accept PayPal, major credit/debit cards, and any additional methods supported by eBay Checkout.

Returns are accepted within 30 days of delivery on most items. Due to safety regulations, certain products, such as chemical solutions, may not be eligible for return, especially if opened or used.

If you experience an issue with your order, please contact us. We’re happy to assist with replacements, exchanges, or returns when possible.

Return shipping is covered for eligible items.

Orders are processed within 1–2 business days. Shipping time depends on your location and selected method. Most domestic orders arrive within 2–5 business days.