Blog - SEI•ETSU Tech & Packaging

About us QINGDAO SEI•ETSU TECHNOLOGY & PACKAGING CO.,LTD. QINGDAO SEI•ETSU TECHNOLOGY & PACKAGING CO.,LTD. was established in 2003. The factory is located at No.18, Kongquehe 1st Road, Jimo District, Qingdao City, Shandong Province, China.Our company is a food plastic packaging production license (QS certificate) certified enterprises, and has obtained ISO9001 quality system management certification. The company's main products are high-performance food plastic packaging composite film, high energy barrier packaging bags and garment bags, according to customer requirements, can produce automatic packaging film rolls, three-sided sealing bags, microwave oven bags, folded into the back sealing bags, three-dimensional zipper bags, seamless ironing bags, and other forms of plastic bags, the company's design production capacity of 20 million square meters / year to meet the export of Europe, the United States and Japan and South Korea, and other regions of the customer's requirements! View more >

23Dec
Do cosmetics sachets expire?
Hey there! As a supplier of Cosmetics Sachets, I often get asked a bunch of questions about these little guys. One of the most common ones is, "D
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23Dec
Are spouted pouches suitable for industrial products?
As a supplier of spouted pouches, I've had the privilege of witnessing the evolving landscape of packaging solutions across various industries. The qu
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23Dec
Do retort lids affect the taste of the canned food?
Do retort lids affect the taste of the canned food? This is a question that has intrigued both food manufacturers and consumers alike. As a supplier o
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22Dec
2025 Best 10 Retort Lids Suppliers in China
Introduction to Retort LidsRetort lids are essential components in the packaging industry, especially for products that require high - temperature ste
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22Dec
What is the optical density of foil lidding film?
Hey there! As a supplier of Foil Lidding Film, I often get asked about the optical density of this product. So, let's dive into what optical density i
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22Dec
Are cosmetics sachets popular in the market?
Are cosmetics sachets popular in the market? As a supplier of Cosmetics Sachets, I've witnessed firsthand the ebb and flow of their popularity in the
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19Dec
Top 10 Flow Packaging Factory in China 2025
Introduction to Flow PackagingFlow packaging, also known as horizontal form - fill - seal (HFFS) packaging, is a highly efficient and versatile packag
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19Dec
Can I find eyeliner in cosmetics sachets?
Hey there! As a Cosmetics Sachet supplier, I often get asked a bunch of interesting questions about what can and can't be found in these little beauty
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19Dec
Can a facial mask pack improve skin elasticity?
Hey there! As a supplier of Facial Mask Packs, I often get asked this question: Can a facial mask pack improve skin elasticity? Well, let's dive right
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18Dec
Are there any safety concerns with cosmetics sachets?
Hey there! As a cosmetics sachet supplier, I often get asked about the safety concerns surrounding these little packets. Cosmetics sachets have become
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18Dec
What are the requirements for high barrier film in food packaging?
In the realm of food packaging, high barrier films play a pivotal role in preserving the quality, freshness, and safety of food products. As a high ba
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18Dec
How do cosmetics sachets compare to testers?
In the dynamic world of cosmetics, the way products are presented and sampled plays a crucial role in consumer decision - making. Two popular methods
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