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Joe was at his wits' end when the fiberglass casing cracked.

Joe, a purchasing supervisor from Switzerland, received another complaint from a customer about a broken or even cracked fiberglass sleeve in the generator connection. This was the third complaint he had received in a month.

But this time, Chris said he was at his wits' end. The quality of the fiberglass sleeving provided by the original supplier was far from meeting the customer's requirements, and it would cost more to replace it with a better quality product, while there were few fiberglass sleeving of sufficient quality to meet the customer's high intensity use and also guarantee a long enough use time. He inadvertently clicked on the official website of SUNBOW, driven by curiosity he dialed the phone, after a period of communication, he found that

1.    SUNBOW insists on using domestic big brand alkali-free waxed dry pot fiberglass yarn, the tear resistance and abrasion resistance are more than 2 times of the peers. ( PET braided sleeve)

2.    All the silicone resin will be re-milled and proportioned before coating, so that its toughness will be better and it can keep in low temperature environment without cracking. 

3.       The fiberglass casing of SUNBOW adopts the "top wire" braiding process, which is 30% slower than the traditional "drawn wire" braiding, and the density of the braided embryo tube is 30% higher than the traditional "drawn wire" braiding. The density of the braided tube is 30% higher than that of the traditional "drawn wire", which is more wear-resistant and has better toughness.

4.       SUNBOW has a unique scientific production process, after repeated tests, SUNBOW glass fiber casing coating and vulcanization time control in the most scientific range, so that the toughness is better, more wear-resistant, not easy to crack.

He reported this to Joe, and soon after, the company received samples from Sunbow, and after a series of rigorous product tests, they found that the quality of Sunbow fiberglass sleeving was not only better, but also far superior to other products on the market in terms of insulation performance and resistance to wear and tear, and also lasted longer than used products under extreme conditions at high strength and for long periods of time. Joe asked Chris about the price of Sunbow fiberglass sleeving, and Chris assured him that while Sunbow fiberglass sleeving guarantees such excellent quality, it does not raise the price, and does not increase the cost too much compared to the original, which can solve the customer's product problems and leave a good reputation, but also can buy the desired product at the right price, which is really a multi-benefit. ( heat shrink sleeve)

SUNBOW's services are all over the world, leading companies in the industry such as Mercedes-Benz, Panasonic and Huawei are using SUNBOW fiberglass sleeving, welcome to try a order.


Shenzhen Sunbow Insulation Material MFG. CO., LTD All rights reservedPhone:0755-27160885(Switchboard) 27160865Fax:0755-27160895

Address:Sunbow Industrial Park, No.8, 2nd Industrial Zone, Xiacun Community, Gongming , Guangming New District, Shenzhen 518106, China

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Technology Support : Tooluo