SUPERSEN related company Taiwan-Anken Corporation has developed the 7 series(0615,0818,1022,1222,1227,1228,1428) gas spring rubber anti-dust cover model on Jan.,25,2013. Taiwan Anken will go on the mass production on Feb. This new gas spring rubber anti-dust cover features on the first single trench but double-contact surfaces design. It has significant anti-dust and oil removal effect. It's widely applied to the electronic equipment and the dirty working environment. Namely the new gas spring rubber anti-dust cover can magically avoid the dust during the gas spring operation and extend the gas spring lifetime. Inquiry are welcom.