Multi-ribs of insulator eliminates flash-over
Insulator made of heat alumina, strong resistant to heat shock, great mechanic and electric features and super insulation
Nickel-plated housing prevents oxidation, corrosion, heat crimping process ensures absolute gas-tight fit
Inner sealing with conductive glass ensures fine conductivity and sealing
Multi-layer gaskets are elastically strong and reliable in sealing
Copper core electrode prevents oxidation and corrosion, good electric, heat conductivity and long spark plug service life
Company Information
DEMY(D&M)BEARING CO., LTD is located in Hemudu Culture Ruins of Ningbo China which has 7000-year-old history.
The company is one of leading ball & roller bearing manufacturers & belt, chain, auto-parts exporters in China. It is specialized in research and development for various kinds of high precision, non-noise, long-life bearings, high quality chains, belts, auto-parts and other machinery&transmission products.
The company has 20 sets of automatic gringding production lines, automatic assembly lines with the annual production capacity of 25 millions sets. Perfect measuring and testing measures & instruments has been adopted by the company to ensure excellent quality. The company has been assessed & registered ISO9001: 2000 quality certificate. It is developing toward series of products with high grade, high precision and advanced technologies to create a global OEM and after-sale service system.
The company has strong stable relations with many worldwide users, the products have been found a steady market in North & South America, South-east Asia, Europe, Middle east & some other countries & districts.
Demy (D&M) Bearing will adhere a long term proinciple "Quality first, Credit first & Service first" to welcome customers both at home & abroad.