Henan Youk Electronic Materials Co., Ltd. is the largest electronic material enterprise in mainland China, based in Youk Engineering Research Center. We offer Copper Bonding Wires for Semiconductor Devices, High Purity Single Crystal Copper (4N-7N) bars / wires (0.1mm-10.0mm), High Purity Copper/Single Crystal Copper fine wires (0.015mm-0.10mm), Copper-Tin Alloy and Cu/Sn fine wires (0.020mm-0.1mm), High Purity Single Crystal Silver (4N-6N), High Purity Single Crystal Aluminum (4N-6N), Giant Magnetostrictive Materials (GMM), GMM devices, Electronic Cables and services. With a leading position...