Specialists In Metal Finishing

The Diamond Metal Finishing Company Limited is an established powder coating and electroplating specialist based in Stoke On Trent, and one of the UK’s leading specialist applicators of consistent, uniform high quality zinc plating, electroplating, aluminium conversion coatings and powder coating treatments.

Most notably, metal finishing and protection of sheetmetal components, fasteners, brackets and fabrications from many different industries, including, Aerospace, MOD, Defence, Medical, Automotive and Marine.

Consistent Quality Guaranteed

Our company offers an abundance of practical experience and advice to clients who require a high level of quality and are seeking to source their powder coating requirements.Metal Finishing

We currently offer Alocrom 1000 & 1200 and Iridite NCP conversion coating for aluminium as an alternative pre-treatment.

Customers wishing to discuss their metal finishing requirements or additional pre-treatments can contact us directly on 01782 822442.

Available Metal finishes


Zinc Rack Lines

Our two automatic zinc rack lines can easily handle items up to 3.8 metres x 1.2 metres x 0.5 metres in size. Designed to flexible and featuring auto-chemical dosing and part library, we are able to utilise these lines to deliver high volume, fast turnaround, uniform and consistent products around the clock.

Aluminium Conversion Coating

(Incorporating Alocrom 1000, 1200 and non-chromate Iridite NCP)

At present this is a manual operation. However, later this year, we will introduce a new automatic, yet flexible treatment line that will also permit manual operations when required – especially for those parts that require extra attention to drainage, blind holes and threads.

Barrel Line

Our 30-inch automatic barrel line has been designed with volume in mind but also has the facility to control small batch work for our smaller customers.


Zinc and aluminium conversion coatings can be applied to meet military and aerospace specifications.

Why use Diamond Metal Finishing?

Because you need a metal finisher who is reliable and can give you the customer the very best quality available, by processing your parts to an unrivalled, consistant, pleasing quality, finished right first time to meet the relevant performance criteria.

Please contact us for all your metal finishing requirements on 01782 822442 or by using our contact form

Spray painters and production operatives are required for immediate start within our metal finishing facility.
Experience preferred but not essential, shift work may be required.
Please apply to : office@diamondmetalfinishing.co.uk