Jiangsu's brand, the cable industry leader, A-share listed companies. Specializing in wire and cable for 37 years, the quality is very high, and cost-effective. Their line using oxygen-free copper, low resistance conductivity stable; and uniform thickness to prevent breakdown; insulation flame retardant corrosion resistance. I bought myself is this brand, electrician master said very good, threading is very easy, very soft. The outer skin insulation skin with flame retardant high quality pvc material, energy saving low resistance, bearing power. The usual price aspect of 352 blocks / 100 meters (BV2.5 firewire).