Description

    Hello,We are the rare large-scale precision casting company in china named Ningbo  Long Rui Machinery Manufacturing Co., Ltd.,It  affiliated to Luoyang Hailong Casting Co.,Ltd., Our business scope  contains investment casting,machining and We produce precision castings *5,**0 tons per year,Specializes in the use of sodium silicate  and silica sol process, sodium silicate composite process produces carbon steel, alloy steel castings and sand castings.If we can help you,please contact me!