The present main valve products of Shanghai Engung Valve Co.,Ltd are as follows, stop valve, ball valve, relief valve, floodgate valve, relief pressure valve, non-return valve, post fill valve, glasses valve in, dredge water valve, blind butterfly valve,etc. metallurgical valve variety, commercial networks spread all over Shanghai at present, Hangzhou, Fuzhou, Xiamen, Guangzhou, Nanning, Kunming, Kweiyang, Changsha, Nanchang, Wuhan, Hefei, Nanjing, Lianyun Harbour, Qingdao, Yantai, Dalian, Shenyang, such first class cities as Changchun, Harbin, Tianjin, Jinan, Zhengzhou, Shijiazhuang, Huhehot, Taiyuan, Yinchuan, Lanzhou, Xi'ning, Chengdu, Lhasa, Xinjiang,etc..