On September 15, Yunnan Yuntong Zinc Co., Ltd. Changsha Nonferrous Metallurgy Design and Research Institute Co., Ltd. and Zhongji Sunward Technology Co., Ltd., signed a three-party zinc strip electroplating technology automatic stripping technology research and development and equipment supply. contract. The project is another breakthrough in the sales of the 3.2m² large plate automatic zinc stripping equipment in the western mining industry in 2017 and the automatic stripping of the four-ring zinc-bismuth 2.6m² plate in the middle of the mountain. So far, the Zhongji Sunward has been completed. The serial development of zinc electrolysis automatic stripping technology has become the only company in the world to master the automatic zinc stripping technology of large, medium and small plates.