四方科技：公司罐式集装箱产品包括标准罐式集装箱和特种罐式集装箱，应用于化工、能源、食品饮料等物流领域

Group 1 - The company, Sifang Technology (603339.SH), confirmed that its tank containers include standard and special tank containers, which are used in logistics for chemical, energy, and food and beverage sectors [2] - The company responded to an investor inquiry regarding the capability of its containers to store hydrogen gas, indicating that further details can be found in the company's disclosures [2]