INDUSTRIAL METALS  : supplying precious metals products and alloys to meet the demands of your business, whatever they may be.

Bangkok Assay Office Co., Ltd. (BAO) offers a comprehensive range of high-quality precious metals and alloy products tailored for various industrial applications. From gold and silver granules with purity exceeding 99% to specialized platinum group metal solutions, our offerings support a wide spectrum of industries—including electrical engineering, automotive manufacturing, healthcare, and chemical processing.

Our product portfolio spans standard semi-finished materials to precision-customized components, including strips, sheets, wires, rods, and tubes. We also manufacture advanced parts such as turned components, milled elements, electrical discharge machining (EDM) parts, and precision stamping pieces.

In surface finishing, our refined gold and silver salts serve as cost-effective and reliable options for achieving high-performance plating and coating results. Whether your operations demand high-purity raw materials or engineered precision parts, BAO delivers dependable, high-standard solutions to meet the needs of your business.