In year 2007, Ningbo Giant Bearings Manufacturing Co., Ltd begins to produce former holder, chains and their accessories.Over 12 years experience in this field, we own advanced production management level, and know how to control production’s tolerance to guarantee high quality.As we know that bearing is the important part of the former holder and roller chain,while we have professional technology, inspection & management team in bearing research, development and production, which also guarantee the former holder and and chain’s long life usage.
The tight contact seal design avoids the chlorine gas, corrosive gas and particulate impurities entering bearing inside in the glove production process.
Thus greatly prolonging the service life of the product. If users can choose Japanese high temperature grease at more than 250 degree,we have promise this special bearing life is at least 12 months. In addition.
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