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    Established in 1988, Donghai Insulation Material Co. Ltd., has been in this line of business for morethan ten years. It's products fall into four categories: Rigid mica material for heating equipment, Rigid mica plate for commutator separators, Copper clad phenolic paper laminate, Mica paper tapes for flame-resistant wire & cable. Among them, Rigid mica material for heating equipment are our main product, they maintain their self-supporting characteristics even after being heated.
Because of this distinctive property, they are most appropriate for manufacturing heating elements for toasters, hair-drier and electric iron, etc. The company makes an annual output of 800 tons, of which over 80% are for export. The material have gained accreditation of UL of U.S.A. (No. E115763). For the convenience of the users, the company accepts the processing of punched parts with supplied drawing and samples.
    What we have do merely for one aim of supply you high quality products, good service and make you satisfactory. Depending on this superiority, our products have entered 15 countries and region's market, and we have performed pleasant cooperation.
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