Resident of Shengtong Trading Company. ,Brother, I know that between your Haichang Trading Company and the area controlled by the Kuomintang, the main goods used to exchange strategic materials were cotton and yarn, but on January 20, the government Jinling and North China signed the third phase of the Pengcheng Materials Exchange Agreement, the fourth phase was signed on February 12, and the same agreement was signed with Haizhou on the 12th. In March, the amount of cotton fabric and cotton yarn may be a bit scarce, you have to stock up early. Chen Gongbo said.