A German charity company, specializing in the production of $1 glasses, brings beautiful experiences to 150 million people in developing countries every year. The protective layer of the outer layer of the eyeglass frame is the use of SUNBOW bright PE heat shrinkable tube, so this German charity company praises our technological innovation and breakthroughs.
There are various manufacturers of PE heat-shrinkable tubes on the market, but most manufacturers are flame-retardant PE heat-shrinkable tubes, because more than 90% of customers only purchase flame-retardant PE heat-shrinkable tubes. SUNBOW considers customers in all aspects. As long as there is customer demand in the market, SUNBOW will develop and produce. This kind of non-flame-retardant heat-shrinkable tube is generally bright in appearance. Because there are fewer contacts, many manufacturers are actually not very familiar with this type of product.
When this charity company in Germany found our company for the first time, customers actually knew quite a lot about these products. I remember clearly that the inquiry sent by the customer directly said that it should be 100% pure PE material, not flame retardant, no glue, and the shrink ratio is 3:1, even the inner diameter, wall thickness tolerance and shrink size are all The list is very clear.
At that time, I was also the first to contact this kind of product, because the non-flame-retardant heat-shrinkable tube usually only has a 2:1 shrink ratio, so I recommend the customer to the flame-retardant 3:1 heat shrink without glue tube. After the first sample was sent, the customer was not satisfied after the test, saying that the surface of the tube was not bright and it was flame retardant. So I sent the customer's request to the engineer and told me it was applied to the glasses frame. After in-depth research and development of the product, a 3:1 bright surface heat shrinkable tube was sampled. After receiving the samples and testing, the customers were very satisfied with the results. They had their first order, and many color tubes were added, and the number of orders was increasing.
SUNBOW produces heat-shrinkable tubes of various materials, adheres to the four principles of "quality, cost, delivery and service", so that customers are satisfied with our products and services. In the same way, every technical requirement of the customer strives to surpass, so that the customer has unexpected surprises. Every time you get a satisfied product that is better than once, the customer will never give you up easily. During the seventeen years since SUNBOW opened the factory, it has accumulated a large number of loyal customers with satisfied products.
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