Where can I buy a gas tank for a cassette furnace in Dalian?

Dalian Jinshanglong Kunming Branch, Dalian Metro Storage Supermarket. According to the query Baidu map display.

1. Dalian Jinshanglong Kunming Branch is located at No.81 Road 123, Jinzhou District, Dalian, Liaoning Province. Dalian Jinshanglong Economic and Trade Co., Ltd., as the sales company of Maixian Metal (Dalian) Co., Ltd., sells Maixian portable cassette ovens, cassette gas tanks, various barbecue trays, professional mountaineering gas tanks, spray guns, and imported portable soup pots, woks and other products.

2. Dalian Metro Storage Supermarket, located in Xianglujiao Logistics Park, Dalian, Liaoning Province, sells Yangu series products, cassette ovens, cassette oven gas tanks and baking trays.