First, choose formal channels and try to buy through formal channels, such as large supermarkets, stores, flagship stores and other formal stores.

二是看包裝。應選擇包裝完好的產品，并仔細查看包裝上的產品信息。應選擇標有QS標志、生產許可證號、執行標準、制造商、生產地址等信息的產品，避免購買三無產品。注意生產日期和保質期，盡量選擇保質期內的產品。

Second, look at the packaging. Select the products with intact packaging and carefully check the product information on the packaging. Products marked with QS mark, production license number, executive standard, manufacturer, production address and other information shall be selected to avoid purchasing three noes products. Pay attention to the production date and shelf life, and try to select products within the shelf life.

三是看外觀。一次性紙質餐具產品:不要購買顏色太白或太灰的一次性紙質餐具產品。如果產品印刷，不要選擇顏色太鮮艷的。印刷顏色越鮮艷，油墨中的重金屬越容易超標。在產品儲存和使用過程中，重金屬可能會遷移到盛裝的食物和飲料中，從而進入人體。另外，紙杯的杯口距杯體15mm以內，杯底距杯體10mm以內不能印刷。

Third, look at the appearance. Disposable paper tableware products: do not buy disposable paper tableware products with too white or too gray color. If the product is printed, do not choose too bright colors. The brighter the printing color, the more heavy metals in the ink are likely to exceed the standard. During the storage and use of the product, heavy metals may migrate into the food and beverage, thus entering the human body. In addition, the paper cup cannot be printed within 15mm from the cup mouth and 10mm from the cup bottom.

當然，與食物的直接接觸面不應印刷。一次性塑料餐具:選擇表面光滑、顏色均勻的產品，盡量選擇沒有裝飾圖案的無色透明產品。印刷油墨同樣有可能重金屬超標。一次性竹木筷子:選擇顏色微黃、氣味清香無刺激的一次性竹木筷子。注意長短適宜、無彎曲、無變形、無毛刺、無霉斑、表面潔凈

Of course, direct contact with food should not be printed. Disposable plastic tableware: choose products with smooth surface and uniform color, and try to choose colorless and transparent products without decorative patterns. Printing ink may also exceed the standard of heavy metals. Disposable bamboo and wooden chopsticks: choose disposable bamboo and wooden chopsticks with yellowish color, fragrance and no stimulation. Pay attention to proper length, no bending, deformation, burr, mildew and clean surface

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