Malingaliro a kampani BTF Testing Lab (Shenzhen) Co., Ltd. Adilesi F101, 201 ndi 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Foni + 86-755-23146130 + 86-755-13590473345 Imelo service@btf-lab.com GUZANI TSOPANO Ndife okondwa kukuthandizani ndi mafunso. Lembani fomu ili pansipa ndipo tidzalumikizana.
