Tongxiang Skyfine Hardware Co., Ltd. (oo horay loo yaqaan: Tongxiang Chongfu Tianli Birta mesh Factory oo la asaasay 1997), sanadkii 2008 ay magaceeda u beddelay: Tongxiang Tianjia Birta Products Co., LTD. Company waxa uu ku yaalaa XinQiao Village, Chongfu Town, Tongxiang. Waxaana ay ku aaddan meel ka mid ah in ka badan 13000 mitir oo laba jibbaaran, dhismaha degaanka oo ka badan 9000 mitir oo laba jibbaaran. Shirkadda Our ku qalabeysan yahay qalabka wax soo saarka iyo baaritaan si toos ah sare. Ka dib markii sano ah dadaallada, sida shirkaddu ay ku hormaray hoggaamineed a berrinkii handarraabbadeedii saarayaasha iyo dhoofinta. Waxaan leenahay xuquuqda dejinta iyo dhoofinta madax banaan, oo la ansixiyay ISO9001 ah: 2008, ISO14001: 2004, OHSAS18001: 1999, shahaado CE, iwm