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Hongkong Royce Metal Products Co., Ltd. E-mail: [email protected]
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200 INTRODUCTION200 LOCATION OF HIGHWAY DRAINS200 PIPES FOR DRAINAGE200 TRENCH EXCAVATION200 MANHOLES204 CARRIAGEWAY GULLY CONNECTIONS206 EXISTING FIELD DRAINS207 PROTECTION OF EXISTING and highways/De Pre Cast Concrete Strategic Housing, Planning, Transportation Directorate Technical Services Directorate 5 • Principal Road /(Strategic Highway) / [Primary Distributor Roads] • Classified Road /(Main Distributor Road)ductile iron or gret iron) EN-GJS-500-7, EN-GJS-450-10 Class: A15, B125, C250 D400, E600, F900 CO: 300-900mm Category: Minerals & Metallurgy | Cast & Forged Hebei Hongqiang Technology Co., Ltd. China Contact Now trench grate