Shanghai ZHJ Technologies Co., Ltd. was founded in 2007. It is the world’s leading supplier of copper and copper alloy materials. CNZHJ are committed to providing comprehensive copper solutions for the development of strategic emerging industries such as 5G communications, new energy vehicles, rail transit and smart cities. CNZHJ is located in Shanghai, one of the largest port in China, which has convenient transportation advantages and excellent export environment. CNZHJ complies with the principle of customer first. By providing technical support and high quality products, CNZHJ has successfully served hundreds of customers from Europe, America, Australia and Southeast Asia during past 15 years.