Asahi
Asahi are the newest refiner in stock at BullionByPost, but they are not new to handling precious metals. This japanese refiner are one of the biggest global bullion refiners, and in 2015 they bought out the UK refiner Johnson Matthey.
The manufacturer has been operating for over 200 years and has a head office in Kobe City, with additional factories and offices in the USA, Chile, Canada, and Mexico.