Teräs - Guinea

NORELEM FRANCE

Ranska – Fontaines Les Gres

MING XIAO MANUFACTURING CO., LTD

Kiina – Ningbo

SHENZHEN PROMOSTAR HARDWARE CO.,LTD

Saksa – Meerbusch

XIAMEN NINESUN IMP. & EXP. CO., LTD

Kiina – Xiamen

SOOCHOW ADVANCE INDUSTRIES CO., LTD.

Kiina – Suzhou