Tam sim no cov ntsia hlau pob thiab trapezoidal cov khoom lag luam tau raug xa tawm mus rau Tebchaws Asmeskas, Fabkis, Canada, Indonesia, Russia, Nyab Laj, Australia, Kaus Lim Qab Teb, Iran thiab lwm lub tebchaws, thiab tau yeej cov kev qhuas tsis pom zoo los ntawm cov neeg siv khoom. Bot Seiko precision pob ntsia hlau khub: G.GD series pob ntsia hlau khub, CM.CDM series pob ntsia hlau khub, CBT series pob ntsia hlau khub, K.KD series high-speed precision pob ntsia hlau khub, BT-SG series yas tshuab hnyav-luag pob ntsia hlau khub, BT-GZXS planetary roller ntsia hlau khub, thiab lwm yam Pob ntsia hlau raug: Raws li qhov dav ntawm kev siv thiab qhov yuav tsum ua, pob ntsia hlau khub tau muab faib ua ob hom: hom chaw (P) thiab kis hom (T). Raws li qhov tseeb ntawm kev ua tiav, nws tau faib ua 7 qhov muaj tseeb, uas yog 1, 2, 3, 4, 5, 7 thiab 10. Qeb 1 muaj qhov tseeb siab tshaj plaws thiab txo qis raws seem.
Teeb duab kev ua kom haum: Bot Seiko pob screws tuaj yeem tsim tshwj xeeb raws li qhov xav tau ntawm cov neeg siv sib txawv, thiab lawv kuj tuaj yeem muab cov kev pabcuam tsim qauv rau cov neeg siv' daim ntawv thov xav tau, thiab pob tw pob screws raws li cov neeg siv khoom tsis sib xws. Tam sim no koj tuaj yeem tiv tauj peb tam sim ntawd thiab sib tham txog koj daim ntawv thov xav tau nrog peb cov kws paub cov khoom.
