Company News

The plastic number is printed as a triangular recycling symbol on the bottom of plastic products, with numbers 1 to 7 corresponding to seven different types of resin materials. Many consumers and buyers often ask when they receive food packaging bags: what does the plastic number mean? Which number is the safest? This article, from the perspective of a flexible packaging factory, explains clearly the material properties, safety levels, and applicable scenarios behind plastic numbers 1 to 7. Plastic Number…

Unconventional bag packaging design has become increasingly popular in the food, personal care, and pet product industries in recent years: triangular chocolate bags, teddy bear-shaped candy bags, and gourd-shaped cleaning product bags. The unique shapes help products stand out on store shelves. However, unconventional bag packaging design is not as simple as drawing an attractive shape. From structural feasibility, bag-making processes to cost control, each step requires expertise. This article breaks down the complete process and common pitfalls of unconventional…

Dry goods and oily food packaging materials both appear as plastic films, but their material selection logic is entirely different. Using a bag designed for cookies to package edible oil, or using ordinary plastic bags to store nuts and dry goods, can result in either compromised taste or accelerated oil oxidation. Many food companies have suffered losses due to improper packaging choices: either insufficient moisture resistance leading to cookie softening, or poor oil barrier properties causing oil leakage and significantly…

Moisture-proof packaging materials are one of the most commonly used functional materials in flexible packaging. Many products, once exposed to moisture, can suffer from deteriorated taste, clumping, and hardening at best, or even spoilage and complete waste at worst. Products such as tea, nuts, biscuits, infant formula, coffee beans, pet food, as well as electronic components and medicinal granules that are sensitive to moisture all rely on reliable moisture-proof packaging. This article, from the perspective of a factory, systematically reviews…