The advancement of tire technology has become the driving force for development and competition. Recently, according to the "European Rubber Journal" reports, the research funding of major companies in the world generally accounted for 3% to 6% of their sales; in 2010, the world's major tire manufacturing companies spent approximately US$4.97 billion on scientific research expenses. Among them, the R&D expenditures of China, Bridgestone, Michelin, Sumitomo, Pirelli, and Hankook accounted for more than 3% of the company's sales, of which mainland China’s R&D expenditure was the largest, reaching 5.6%, and Michelin and Bridgestone were 3%.
Among them, mainland, Bridgestone, Michelin, Sumitomo, Pirelli, Hankook, and Yokohama companies spent Rmb1.9211 billion, $968.9 million, $721.9 million, $212.9 million, $198.3 million, $175.2 million, and 1.471. One hundred million U.S. dollars.
Among them, mainland, Bridgestone, Michelin, Sumitomo, Pirelli, Hankook, and Yokohama companies spent Rmb1.9211 billion, $968.9 million, $721.9 million, $212.9 million, $198.3 million, $175.2 million, and 1.471. One hundred million U.S. dollars.
Bearing is an important part of modern machinery and equipment. Its main function is to support the mechanical rotating body, reducing the friction coefficient of its movement, and to ensure the accuracy of its rotation.
We supply Tapered Roller Bearing , Deep Groove Ball Bearing and Thrust Ball Bearing. They mainly used for Mud Pump, Rotary Table,Crown Block and some other equipment in oil fields.
Bearing
Ball Bearing,Miniature Ball Bearings,Spherical Plain Bearing,Bimetal Slide Bearing
Baoji Baohao Petroleum Machinery Equipment Co., Ltd. , http://www.baohao-petro.com