... 2.Annual production:50000pcs 3.More than 20 years experience Wind power green renewable energy is inexhaustible. We design and ... pitch bearings is an important part of the wind power equipment, they wind round to be able to easily rotate in ... 7 service Excellent quality, competitive prices, professional advice 8.Application Wind turbine, the port's maritime cranes, marine cranes, mobilecranes, ferris ...