262021-08

Non ferrous metal waste gas treatment scheme

During the production and processing of a metal surface treatment company, several processes produce　

242021-08

Improvement of electroplating pretreatment process

After electroplating various metals on the surface of aluminum and aluminum alloy, the physical or c　

192021-08

Problems and solutions of green casting

As the name suggests, green casting is energy-saving and environment-friendly casting. Energy saving　

172021-08

Development and application of grinding technology

For a long time, in the traditional sheet metal processing industry, deburring means has always been　

       Founded in 1993, Ningbo Yinzhou Henan metal foundry is located in Yunlong Town, a famous precision casting town in China in the southern suburb of Ningbo, only more than 40 kilometers away from Beilun Dagang. There are 90 employees, including 2 senior engineers and 10 professional technical and quality management personnel......More＞＞