KASTAS是歐洲品牌密封圈生產商。有PU材質Y形圈、U形圈，有橡膠材質Y形圈、U形圈，及近百種密封圈型式，
廣泛用于各行業液壓油缸，氣動密封中. 產品種類齊全。
有幾十年的生產，科研開發經驗，有全球用戶成功使用案例經驗積累。

產品型式如下 ：KO.KX.K01.K03.K04.K05.K06.K07NBR.K07PU.K09.K10.K11.K12.K14.K15K16.K17.K18.K19.K20.
K21.K22.K23.K25.K26.K27.K29.K30.K31.K32.K33.K34.K35.K36.K37.K38.K40.K41.K42.K43
.K50.K51.K52.K53.K54.K55.K56.K57.K58.K59.K62.K63.K68.K69.K73.K74.K81.K82.K83.K84
.K94.K95.K96.K150.K151.K152/K153.K701.K702.K703.K709.K751.K752.K753.KBT.KKT.KPB