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Johnson Matthey is one of London Gold Fixing’s founding members and an official assayer and refiner of bullion gold. In 1957, a larger manufacturing plant and bullion refinery was built in Royston. For more than a century, bullion production took place at that location. In 1852, Johnson Matthey started manufacturing gold bars and refining gold in Hatton Garden. The company focuses on finding innovative ways to give everyone clean air and energy resources, and low-carbon technologies. Johnson Matthey is now a global leader when it comes to sustainable technology. The company also acquired chemical businesses like InterCAT and Argillion. Since then, the company decided to branch out and open business opportunities, including the establishment of Johnson Matthey Bankers. The two business partners supplied different raw materials, including flux and silver solder to cutlery, silverware, and jewelry manufacturers in Sheffield and Birmingham. When George Matthey joined Johnson in 1851, the company name was changed to Johnson & Matthey. He successfully improved a method used to extract palladium from gold, which resulted in enhancing the gold’s aesthetics. Johnson specialized in precious metals analysis and refinement, particularly gold from Brazil. The history of this British company can be traced back to when Percival Norton Johnson started a gold assaying business in London in 1817. Johnson Matthey produces different precious metals and chemicals.
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