... Enstrengthed make the suspension lower, cool,and high performance shock absorber,shock absorber factoryISO9000:2000 & TS16949 certification, more than 20 ... America , East AsiaGas filled/oil filled, and enstrengthed shock absorber tube,makes the suspension lower, cool,and high ... performance Our company is one of the largest shock absorber manufacturers in China.Good quality and competitive ...