White Solder is part of a select group of companies that have their product approved directly at the World Metal Exchange – London Metal Exchange (LME), and is classified with an LME Brand Tin.
All brands approved for delivery in accordance with LME contracts must adhere to a rigid quality, shape and weight requirements that are determined by all LME Brand qualified companies.
A list of approved brands is available for download below. The details include country, producer name, brand name and metal delivery shape.
https://www.lme.com/en-GB/Trading/Brands/Approved-brands