Ningbo Diorme Electric Co.,Ltd. Ningbo Diorme Electric Co.,Ltd. which was founded in 1991, specializes in exploiting producing, selling and providing technologic service of various of sealing products. Pearls Gasket & Packing Co., Ltd. is one of the produce effective sealing system and inserted material industry preserve technologic products of china. It is also the one of the factories that were first authorized ISO9001 , the international Quality System Certification. The produced sealing products always express the best capacity in any conditions. 　　     The sealing products of Pearls are extensively used in petrochemlistry, chemical engineering, electric power, iron and steel, shipbuilding, papermaking, and other fields. The products has been exported to more than thirties countries and regions, such as USA, Italy, Brazil, Japan, Hong Kong, and so on. 　　     Facing this competitive and challenging age, we look forward to utilizing "advanced technology, excellent quality and competitive price to devote to supply more and more satisfying products and service heartily.