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Yongkang Haotai Industry and Trade Co., Ltd, established in year 2005, is specialized in researching, developing, manufacturing and exporting electrical insulation materials. The factory covers an area of 4,000 square meters in Yongkang city, the Centre of Zhejiang Province of East China. It enjoys very convenient transportation access either to Ningbo port or to Shanghai port. Next to the Yongkang HSR Station, it takes only 2.5 hours to visit Haotai factory from Shanghai Hongqiao Airport by High-Speed Rail.

Haotai got ISO 9001:2008 international quality system certificate in year 2008. After 10 years of establishment, Haotai is now one of the leading manufacturers in China for electrical insulation papers and films applied in motors、power transformers、power wind and various high-end electronics. Company registers HAOTAI brand. Main products cover diamond pattern paper (also known as DDP, DDPP and DPRCP, etc.), Diamond Dotted Film, Diamond Dotted Nomex Paper, DMD Flexible Laminates (class B, class F, class H, DMD Prepreg, DMD 100% saturated, and Diamond Dotted DMD), NMN(Dupont Nomex with PET Film laminates), AMA(Chinese Aramid Paper with Mylar Laminates), MMM(PET film composites), crepe paper and tubes, etc. All our production in accordance with the international technology standard strictly, qualified in RoHS/ SGS, MSDS and UL. The company focus on the international market, and 95% of the annual sales volume is exporting. Customers of Haotai insulation materials cover countries all over the world such as North America, South America, East and Southern Asia, Australia, and Europe. Leading brands producing motors or dry transformers or oil-immersed transformers come and seek cooperation with Haotai. We successfully won qualified supplier certificate from the leading brands such as WEG, CG, ROAM, ELTAS and from the supplier of ABB, HYOSUNG, HYUNDAI.

Haotai owns more superior processing、testing equipment and specialized laboratories. 4 main lamination machines can fulfil a daily output of 12tons with the available maximum width of 2000mm. And 4 main slitting machines can provide slitted width from 4mm to 1900mm. We carry out full inspection and testings before, during and after production, which testing records are all kept for 2 years. Tracking of every batch of cargo is accomplished by these records. Thus products improvements or OEM are easily made according to every customer’s unique needs.

It is still a long way to go before the company could be on the equal footing with esteemed companies like 3M, Isovalta, Weidmann and Volroll. But our customers and Haotai are so confident about Haotai product quality that one day we could achieve the goal to play more important role in the international market. All customers are working together with us to help Haotai listed and marked by UL. We welcome your inquirying, your calling and your visiting to Haotai! One day earlier the cooperation is made, one day earlier you will be able to cut down your production cost while you still keep or even improve your product performance with Haotai insulation materials!


Yongkang Haotai Industry&Trade Co.,Ltd




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