David, kasitomala wamtengo wapatali wochokera ku Mexico, posachedwapa adapeza TEYU CO2 laser chiller model CW-5000, njira yoziziritsira yamakono yokonzedwa kuti ikwaniritse bwino ntchito ya 100W CO2 laser yodula ndi kujambula makina. Kukhutitsidwa kwa David ndi CW-5000 laser chiller yathu kumatsimikizira kudzipereka kwathu popereka njira zoziziritsira zatsopano zogwirizana ndi zosowa zosiyanasiyana za makasitomala athu.