A worker polishes a ring on a bicycle in a Wandekai Composites factory in Tian Mushan county of Lin'an district, in Hangzhou, capital of East China's Zhejiang province. [Photo/Xinhua]
A worker polishes gears at a factory in Qingzhou city, East China's Shangdong province. [Photo/Xinhua]
A worker is busy at a spandex production line in Lian Yungang Economic Development Zone, East China's Jiangsu province. [Photo/Xinhua]
A worker categorizes bearings at Chengwei Bearing in Linxi county, North China's Hebei province. [Photo/Xinhua]
Workers check products at Hongda Metallurgy Machinery in Zhangjiakou, North China's Hebei province. [Photo/Xinhua]
