Heshan Zhongxing Laminated Packing Co., Ltd. located in Heshan, Jiangmen city of Guangdong Province. Established in 1993, we specialized in plastic flexible packaging with more than 30 year’s rich experience. The workshop takes 20000 square meter land area and meet the international standardization and strictly control the hygiene and safety.Wide ranges include SUP, Kraft Paper Pouch, Spout Pouch,...
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We always insist on “Quality First, Reputation First, Customer First”, Adhering to the business principle of mutual benefits, we have had a good reputation among our customers.
With more than 30 years in plastic flexible packaging, we deliver high-quality products backed by rich industry expertise.
Equipped with modern production lines and certified by ISO9001:2015 and BRC, every step from raw materials to finished products is strictly tested to ensure quality.
Offering a comprehensive range of pouch and film types with customization to meet diverse customer needs.
Film thickness affects packaging speed by influencing heat transfer, flexibility, stiffness, and how smoothly the material travels through automatic packaging equipment. Thin films may heat and seal quickly but can wrinkle or stretch under tension, while thicker films may require longer sealing times and more energy to form reliable closures.
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Sauce pouches may burst during filling when internal pressure exceeds the strength of the film, seals, or spout connection. Excessive filling speed, trapped air, unsuitable sealing parameters, and sudden pressure changes can all contribute to failure.
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Finding the right flexible packaging manufacturer involves more than comparing quotations. Material structure, printing consistency, sealing performance, production stability and the manufacturer's ability to understand an application all influence whether packaging performs reliably after mass production.
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Kraft paper bags can protect roasted coffee when they incorporate suitable oxygen and moisture barrier layers, reliable heat seals, and an appropriate degassing valve. Ordinary kraft paper alone cannot provide the protection required for extended coffee storage because its porous structure allows gases and moisture to pass through.
View MoreWe obtained the ISO9001:2015 and BRC certification, products are passed the SGS Testing Approval. We have our own independent laboratory, from the raw material to finished products, every step is tested strictly to check the qualification of products.
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