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(Piston Ring) double ring by the China National Heavy Duty Truck 2015 excellent supplier
26
2016
/
04
(Piston Ring) Shuanghuan won the Electrical Business Marketing Innovation Award in 2015
(Piston ring) double-ring by the FAW-chai 2015 quality certification
(Piston Ring) Double Ring won the Weichai 2015 Best Quality Award
(Piston Ring) Double Ring won the Yangchai 2015 Best Quality Award
(Piston Ring) double ring by the Taizhou Yamaha 2015 Outstanding Contribution Award