
Jianli, a new technology and environmental protection coexist steel pipe manufacturer! Jianli is the first manufacturer who use ARES(SMS Group) spheroidizing furnace and annealing furnace to produce seamless bearing steel pipe in China. Established in 1999, Zhejiang Jianli is the biggest and No. 1 manufacturer in China specialized in producing cold drawn and rolled bearing steel tubes with OD range 12~130mm and Wall thickness range 2~18mm. Our production capacity and sales volume keep at the first ...