Jiangsu Yanyan Industries Co., Ltd.zinthu zotenthandi zida zotenthetsera, zomwe zili pa Yancheng City, Province la Jiangsu, China.Kwa nthawi yayitali, akampanindi okhazikika pakupereka njira yabwino kwambiri yaukadaulo, zogulitsa zathu zatumizidwa kumayiko ambiri, monga USA, maiko aku Europe, Middle East, South America, Asia, Africa etc. Kuyambira maziko, tili ndi makasitomala m'maiko opitilira 30 padziko lonse lapansi. dziko.