Rau qhov rooj ntoo & hlau qhov rooj
Nyeem ntxivRau qhov rooj ntoo & hlau qhov rooj
Nyeem ntxivMENDOCK yog ib hom khoom lag luam ntawm GUANGDONG OLANG SECURITY TECHNOLOGY CO., LTD., uas yog lub tuam txhab kev lag luam kev loj hlob high-tech uas suav nrog kev txhim kho, tsim khoom thiab muag khoom. High qib ntse lub qhov rooj xauv thiab nws cov khoom siv raws li cov khoom lag luam, lub Hoobkas nyob hauv Xiaolan Town, Zhongshan City, yog ib qho ntawm 100 lub nroog kev lag luam hauv Suav teb.
Lub sijhawm nkag siab txog kev lag luam dynamics