... gravity (g/cm3)3.638.892.70Length ratio in same wire diameter and unit weight2.5: 11: 13.29: 1Conductivity ... : Shenzhen Jufeng Tin Product Co., Ltd. is specialized in producing and selling tin products, such as tin solder bars, tin ... welding engineering of electron, communication, electric appliances, electric instruments and meters. Production process: Detailed Product Description : Product of origin ...