Raws li tus tswv lag luam tag nrho ntawm Beijing Chontdo Optoelectronics, SHENZHEN CRTOP CO., Ltd tau tsom mus rau kev lag luam tawm txawv teb chaws thiab muag cov khoom lag luam LED, ua kom zoo dua hauv kev muag khoom ncaj qha ntawm Beijing Chonto thiab kev faib tawm txawv teb chaws kom zoo dua ntawm pab pawg CRTOP.Lig txhim kho kev sib tw lub zog ntawm Beijing Chonto lub lag luam LED nrog cov khoom siv dav thiab kev nplua nuj.Peb hais kom muab cov nqi them ua ntej muag, muag thiab tom qab muag kev pabcuam rau peb cov neeg siv khoom, aiming los ua koj tus kws tshaj lij LED tag nrho daim ntawv thov kev daws teeb meem thiab tus khub yeej-yeej.