Kev tsim ua Huaayun pawg muaj cov chaw taws teeb ywj pheej R & DE Nyob rau tam sim no, nws tau tsim ze li txhiab lub teeb ntawm tus kheej lub chaw taws teeb tswj pwm rau cov neeg siv xaiv los ntawm. Tsim Tsim Khoom 3D qauv 7 hnub rau customized samples;28 hnub rau kev txhim kho pwm tshiab;12 txog 15 hnub rau kev xa khoom. R & D Khoom Siv Khoom Raws li cov txheej txheem tswj hwm zoo ntawm IS09001 thiab ISO14001. Txhua cov txheej txheem ntawm cov chaw taws teeb tswj kev tsim khoom yog nruj me ntsis tswj, thiab txhua txoj haujlwm tseem ceeb muaj qhov kev kuaj xyuas tsis siv neeg. Cov chaw taws teeb tswj cov khoom tau dhau ROHS ncav cuag FCC & CE daim ntawv pov thawj.