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6051 Polyimide Film

AHA Flexible Laminates

AMA Flexible Laminates

Aramid Insulation Paper

NHN Flexible Laminates

NMN 40um Flexible Laminates

B-class DM Flexible Laminates

B-class DMD Flexible Laminates

About Us

Zhejiang Hechin Electric Technology Co.,Ltd is registered in year 2017. It's former company name was Yongkang Haotai Industry & Trade Co.,Ltd. Hechin has two brands for it's electrical insulation materials: "Hechin" and "Haotai Flex". It owns 3 factories: Yongkang Haotai for the Flexible insulations; Yongkang Hesco for the laminators/DMC profiles/fiberglass sheets; Haotai Electric for the pressboards/crepe paper tubes.Formerly Yongkang Haotai Industry and Trade Co., Ltd, was 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.Hechin 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 Hechin/Haotai factory from Shanghai Hongqiao Airport by High-Speed Rail.Yongkang Haotai got ISO 9001:2008 international quality system certificate in year 2008. After 10 years of establishment, "HAOTAI" is now one of famous brand in China for electrical insulation papers and films applied in motors/power transformers/power wind and various high-end electronics. Hechin's main products cover diamond pattern paper (also known as DDP, DDPP and DPRCP, etc.), Diamond Dotted Film, Diamond Dotted Nomex Paper, DMD Flexible Laminate sheets (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 paper tubes, transformer pressboards etc. All production in accordance with the international technology standard strictly, qualified in RoHS/ SGS, MSDS and UL. The company focus on the international market, and 99% of the annual sales volume is exporting. Customers of Hechin/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 Hechin/Haotai. We successfully won qualified supplier certificate from the leading brands such as WEG, CG, ROMA, ELTAS and from the supplier of ABB, HYOSUNG, HYUNDAI. Hechin/Haotai owns 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/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, Pucaro, Isovalta, Weidmann and Volroll. But we and our partners are so confident about Haotai product quality that one day we could achieve the goal to play more important role in the international market. We welcome your inquiring, your calling and your visiting to Hechin/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!