univergomma S.p.A
MARANGONI S.P.A
PIRELLI TYRE S.p.A.

OAK Tyres
Dmack Tyres

Kenda rubber

 JK

Seat

Apollo

Apollo Vredestein B.V.

Cooper tire
Goodyear International Corporation

Continental AG

HUTCHINSON PERSAN

PIRELLI TYRE S.p.A.

PIRELLI PNEUS  S/A - BRAZIL

PIRELLI TYRE S.p.A.

UZER MAKINA VE KALIP SANAYII A.S.
PIRELLI TYRE S.p.A.

DANANG RUBBER JOINT-STOCK COMPANY

GITI Tire Corporation

PT Gajah Tunggal Tbk

KumHo Tire

Sumitomo Rubber IndusTries, LTD.

Bridgestone Corporation

Beijing Capital    Guizhou Tyre
AEOLUS TYRE    Shandong Linglong
Sailun    JINYU Tire
Sichuan    Jiangsu General
ZC Rubber    Rodgard INC