... . Material: NBR, HNBR, PTEE, FPM, MVQ, EPDM, PTFE, and so on2. Application: trains, automobile, motocycles, trucks, buses, ... agricutural machinery and any equipments3. Certification: GB/T19001-2000-ISO9001: 2000 standard4 ... of manufaturing are undercontroled by Railway Ministry9. Designing and manufacturing all of oil seals, gaskedts, o-rings10 ...