產(chǎn)品特點(diǎn)：光學(xué)透鏡、光線清晰、低發(fā)散度、垂直度好，品質(zhì)優(yōu)良、體積小，高度、工業(yè)適用。LYQ

Product features: optical lens, the lightclear, low emittance and vertical degree good, good quality, all size, highprecision, strong industrial applicability.

售后服務(wù)

對本公司售出的產(chǎn)品一律一年保修，三年維修的原則，在保修期內(nèi)出現(xiàn)的任何質(zhì)量問題將給予認(rèn)真負(fù)責(zé)的處理。歡迎用戶提出寶貴的改進(jìn)意見。

After-sales service

The company sold products are guarantee oneyear warranty, principle and maintenance of the three years of any qualitroblems during the warranty period will result in serious and responsible.Welcome users put forward valuable improvements.