OGA Insights Exhibitors | Products | MY LIST TIANJIN BOYUTONG INTERNATIONAL TRADE CO.,LTD Country/Region: CHINA Hall No.: 2 Stand No.: 2808 Category: Pipeline Engineering Email: [email protected] ADD TO MY LIST More about this exhibitor Visit website large diameter welded spiral steel pipe Our products will be used in the main pipeline for transmission of oil ,gas, heating , and it is also widely used in port piling . Pipeline Engineering
