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Tel：+86-0379-67832973-（606）
Add：Huifeng Road 75,Mengjin County,
Luoyang City, China
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ABOUT TONGYI
Luoyang Copper One Metal Material Develops Co., Ltd., located in Luoyang City known as ancient capital of 9 dynasties, integrates R&D, production, sale and service of new metal materials.
Led by famous metal material specialists from Northwest Institute for Nonferrous Metal Research, Luoyang Nonferrous Metal Processing, Design and Research Institute, University of Science and Technology Beijing, Zhengzhou University and Henan University of Science and Technology,
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News
Copper one company's ultra-thick copper-aluminum composite board was successfully trial-produced
On August 27, 2018, the ultra-thick single-sided copper-aluminum composite board prototyped by Luoyang Tongyi Company was successfully produced, and the thickness precision and product performance met
2019-04-19
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News
Causes of "edge cracks" and coils "tower shape" in the production of copper strips and how to avoid them
Defect 1: the edge crack of the strip rolling;Edge cracks can be generated in both hot rolling and cold rolling.Hot rolled edge crack:cause:1, the ingot heating temperature is low;2. Poor metal plasti
2019-04-19