Zibo Hengfu Metal Products Co., Ltd. was established in 2005. Our company mainly manufactures high carbon spring steel wires, bonnell springs, bonnell spring units,continuous spring mattress,compressed spring mattress,pocket spring mattress. We produce 30,000MT high carbon steel wires,bonnell springs 5,000 MT and spring bed net 2000,000 pieces yearly.It is the cooperation associate of large-scales mattress production.Factories including Shandong Fengyang,Shandong Jisi,Xian Fule,Heibei Lanniao and Anhui Wanbao Zhejiang Xilinmen etc. Our company draw into advanced production equipment and at present it has product and sale of spring stell wire,mattress spring,spring bed net,thermal insulation material and so on.Series of products and is registered a trademark as Hengfu.We have gained ISO9001 certificate. Our high carbon steel wires and spring products are sold well in domestic mar