Beijing LDH Technology Development Co., Ltd yog ib lub tuam txhab specializing nyob rau hauv roj sib cais khoom. Muaj mas kev qhauj nyob rau hauv lub tsim, kev tshawb fawb thiab kev loj hlob, ntau lawm thiab muag khoom ntawm nitrogen generators, oxygen generators, ozone generators thiab kua nitrogen generator. Nyob rau hauv lub xyoo ntawm ntau lawm thiab muag khoom, peb tau ntsib cov phooj ywg los ntawm tag nrho cov thoob lub ntiaj teb thiab tsim ib tug zoo sib koom tes. Cov khoom uas muaj exported rau Bangladesh, Indonesia, Pakistan, lub Netherlands, Brazil, Australia thiab lwm lub teb chaws.