Refractories

Dupré Minerals Ltd.
www.dupreminerals.com

Goodwin Refractory Services Ltd

www.goldstarpowders.com

Siam Casting Powders Ltd
www.siamcasting.com

Hoben International Ltd.
www.hoben-minerals.co.uk

Gold Star Powders Private Ltd

(India)

www.goldstarpowders.in

Ultratec Jewelry Supplies Ltd

www.goldstarpowders.com.cn

Gold Star Brasil

www.goldstarbr.com.br

Noreva Valves GmbH