About Us

Professional manufacturer of electrical insulation materials

Company Profile


We are Longkou Libo Insulating Material Co., Ltd. That is located at Longkou, Yantai City,  ShanDong province,China.with beautiful scenery and very convenient transportation.

The company are specialized in providing Electrical Polyester Non-woven Fabric that is made of insulation laminated paper DMD(with product thickness: 0.02 mm-0.23mm, and width: 510mm-1500mm), Insulation Composite Laminated Material(DMD,NMN,NHN,100% saturated DMD,Aramid Paper,Diamond dotted paper),Insulation fiberglass Sleeving(2715PVC  fiberglass sleeves,2751Silicone rubber fiberglass sleeves,2740Acrylic fiberglass sleeve,2753 Silicone fiberglass sleeves,PU fiberglass sleeve) ,Mylar film(Polyester film,Milky white mylar film),Insulation sheets(3240,G10,FR4,etc.) and other electrical insulating material. They are used in motor,transformer, generator,reactor,etc. We have gained ISO9001,SGS and material ROHS and REACH certificate.

Our products are very popular in the international markets.We  exported to many countries.like Erope,Turkey,Brazil,South korea,Tunisia,India, Russia and so on.

Our company ‘s business philosophy : Customer care is our top priority. Welcome all the customers to visit us.

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Company Advantages


★  We have our own factory!
★  We have ROHS,REACH,ISO9001,SGS cetifications.
★  The quality of our products are excellent .
★  We deliver the goods on time.
★  Our products are very popular in the international markets.

Contact Us

Dongtai industry park, Zhuyouguan town, Longkou city, Shandong,China, Yantai, Shandong

Product Center

Our company specialized in producing Insulation Paper, Insulation Fiberglass Sleeving and other electrical insulating material. 

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