Zhengzhou ruzizuan diamondi ya diamondi co., ltd. makamaka amagwiritsa ntchito m'magawo awiri a zinthu: mawilo opera ndi zida zodula. Zogulitsazi ndi zinthu zapamwamba kwambiri, ndipo makasitomala ambiri amasankha kuwombolera zinthu izi. Nthawi yomweyo, Zhengzhou Eizuan Diamond Cific CO., Ltd. akupitiliza kukhala ndi cholinga chodzakhala ndi vuto lalikulu. Cholinga ndikupereka makasitomala omwe ali ndi ntchito zabwino komanso zinthu zapamwamba. Ngati mukufuna, mutha kudina "Phunzirani Zambiri" kuti tilembetse tsamba lokamba nkhani, ndikukhulupirira kuti zikuthandizaninso zodabwitsa zambiri.
Dziwani zambiri 
