Zhejiang Tianma Bearing Group Co., Ltd as one of the biggest bearing manufacturers in China with more than 30 years experience in marketing. It was established in 1987 with a registered capital of 1.8 billion CNY. The company has 5 plants in terms of different industry application around China market. it has a brand named "TMB".In 2017, TMB group annual sales volume reaches to 3.2 billions CNY.

The company mainly produce more than 8000 items of bearing in 10 catagories. they are classified as cylindrical roller bearings (single and double row, four row), deep groove ball bearings, tapered roller bearings, aligning roller and aligning ball bearings, angular contact ball bearings (single and double row), thrust roller and thrust ball bearings, non-standard bearings; and the bearing are widely used in the field of aerospace,military,railway,commercial vehicle,industry,marine,machine tool,metallurgical mill,motor and agriculture,etc.

"TMB" is the only one Chinese bearing manufacturer has its own steel mill. New materials independently developed for high-end bearing products have won the favor of customers at home and abroad for their long life and high quality. Short cylindrical roller bearings, railway bearings, wind power bearings, rolling mill bearings and other bearings have always enjoyed a high reputation in the bearing industry.

The company has a national enterprise technology center with strong technical strength, a number of provincial high-tech enterprises that set the National Postdoctoral research workstation and academician workstation.

Over the years,"TMB" has been rewarded and named as " China’s famous brand", "China’s well-known trademark", " The most competitive brand" in the market.It has passed ISO9001, ISO14001, TS16949, laboratory and other quality environmental management system certification. The company has established a completed sales network and service system, the products sold well throughout the country and exported to Europe,USA and other countries and regions.