Xyoo 1976, peb lub Hoobkas thawj zaug tau tsim, Haimen KX Carbon Co., Ltd. tshawb nrhiav thiab tsim txhua yam ntawm cov khoom siv carbon graphite thiab cov khoom tiav.
Hauv xyoo 2000, peb lub Hoobkas thib ob tau tsim, Suzhou Higher fiber ntau cov khoom Co., Ltd. Feem ntau tsim cov khoom siv iav fiber ntau, cov khoom siv Teflon, cov khoom siv roj hmab, cov khoom siv PTFE, cov khoom siv fiber ntau, cov khoom siv fiber ntau, cov khoom siv Mica thiab lwm yam, kuj muaj feem xyuam nrog cov khoom tiav.
Hauv xyoo 2004, peb lub tuam txhab tau nqis peev Cangzhou Hlau qhov chaw Co., Ltd. los txhawb peb cov khoom thiab tsim peb tus kheej tooj liab hlau, txhuam tuav, zawv zawg tiv tauj hlau, tas li quab yuam caij nplooj ntoos hlav thiab lwm yam hlau qhov chaw.
Xyoo 2005, peb lub Hoobkas tshiab (Hefei Super Filters Co., Ltd.) tau tsim dua tshiab, tsim thiab muab lub tshuab nqus tsev twj / compressor qhov chaw: carbon vane, fiber ntau vane, carbon fiber vane, aluminium vane, kevlar vane, cua lim, roj lim, lim lim, roj separator, lim lim, rings, roj kos npe iav saib, li qub, rings thiab lwm yam.
Xyoo 2010, txhawm rau muab cov kev pabcuam zoo tshaj plaws rau cov neeg siv khoom txawv teb chaws, peb tshwj xeeb qhib lub tuam txhab tshiab (Hefei Hil Material Technology Co., Ltd.), tag nrho cov neeg tuaj txawv teb chaws tuaj yeem tau txais kev pabcuam ib-nres: tag nrho ntawm peb cov ntaub ntawv. , tag nrho ntau yam ntawm peb cov khoom, kev muag khoom zoo tshaj plaws thiab cov thawj coj tom qab muag, kev tawm tswv yim ceev tshaj plaws.