EGL EQUIPMENT SERVICES CO., LTD.(EGL) yog tus kws tshaj lij geophone tus neeg muag khoom uas nyob hauv Suav teb, nrog rau lub hom phiaj los koom ua ke cov kev sib cais thiab muab peb cov neeg siv khoom nrog txhua qhov chaw nyob ib puag ncig Geophone / Geophysical Khoom thiab cov kev pabcuam cuam tshuam.