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2016 third issue of the double ring
06
2016
/
09
(Piston ring) Yizheng Shuanghuan century boutique four matching product line promotion (Gaochun Station)
31
08
(Piston Ring) Double Ring won the excellent supplier of Weichai in 2015
26
04
(Piston Ring) double loop won the best cooperation in 2015 BYD Award
(Piston Ring) Shuanghuan won the Twelfth National 100 Automotive Excellent Parts Supplier Award
(Piston Ring) Shuanghuan Dachai won the 2015 Quality Award