Cheap. The jade seller on the first floor of Harbin Tongji Shopping Mall belongs to Harbin Tongji Jewelry Antique Co., Ltd. The price of a poor quality jade is 80 to 300 yuan, and the price of an ordinary quality jade is 300 to 2000 yuan, which is relatively cheap. Harbin Tongji Jewelry and Antique City (formerly Tongji Shopping Mall) is a century-old brand of Harbin and an exchange and trading center of antique art in three northeastern provinces.