YG-2 manifest refraction Refractometer tau tsim thiab tsim khoom loj hauv xyoo 1985 thiab yeej ib qho khoom plig ntawm lub National Invention Exhibition
Xyoo 1988, YG-2Ib qho pom kev cuam tshuam Refractometer tau raug txhim kho raws li tus thawj YG-2 txhawm rau txhim kho kev sib dhos ua haujlwm.
YG-3 manifest refraction Refractometer tau tsim thiab loj tsim nyob rau hauv 1990. Nyob rau hauv 1991, YG-3 manifest refraction Refractometer tau txais 'zoo kawg nkaus achievements nyob rau hauv kev tsim kho ntawm socialist plaub modernizations '. Kub puav pheej rau National Invention Fair nyob rau hauv 1992 thiab Second Prize rau Science thiab Technology Progress nyob rau hauv Shanxi xeev nyob rau hauv 1994
Tus qauv YG-4 Refractometer tau tsim nyob rau xyoo 1992
FA-6000 Auto Refractometer Prototype Tsim nyob rau hauv 1999.
Lub YG-5 Refractometer tau txhim kho los ntawm tus thawj YG-3 Refractometer hauv xyoo 1996. Xyoo 1993, Topcharoen, Thaib teb, tau xaj ntau dua 270 YG-5 Refractometer ua ke, txuag lub tuam txhab hauv kev nyuaj. lub sij hawm. Lub tuam txhab muaj ib qho nyiaj R & D, uas tso lub hauv paus rau kev txhim kho tom ntej.
Xyoo 2001, FA-6000 tsis siv neeg refractometer yeej lub teb chaws tseem ceeb daim ntawv pov thawj khoom tshiab; xyoo 2002, nws yeej qhov khoom plig thib ob rau kev tshawb fawb thiab thev naus laus zis hauv xeev Shanxi; Xyoo 2003, nws tau pom zoo ua 'National Science thiab Technology Achievements Promotion Plan' project
FA-6100A thiab FA-6800 xim LCD npo tsis siv neeg optometrists nrog kev hloov kho tshiab tau ua tiav hauv xyoo 2006
