Beijing Jeffoptics Company Limited
Aterese
Kamore ea 225, 2 / F, Mohaho oa Tlhahiso, Beijing Bona Electric Co., Ltd., tsela e thusang ea G6, Setereke sa Changping, Beijing, 102208, PRC.
Mohala
+86-10-62073731
Iteanye le rona
Ngola molaetsa wa hao mona mme o re romele wona