Hello, good day. We are a Chinese casting factory named Ningbo Longrui machinery Manufacturing Co., Ltd, It's the branch of Luoyang Hailong Casting Co., Ltd. Our factory produce precision castings, 15, 000 tons per year, is the rare large-scale precision casting company in China, specializes in work with sodium silicate and silica sol, sodium silicate composite technology production of carbon steel, alloy steel castings and sand cast parts, services for electricity, automobiles, agricultural machinery, aviation, railway, mining, engineering machinery, Petroleum Machinery and other fields are able to meet our customers special technical aspects of design and process requirements. Products exported to the U. S., Germany, Canada and other countries, well received by customers. The company employees 600 people, total assets of 50 million yuan, Welcome to our further understanding, wellcome contact with us.