We're really serious about making Manhole Covers!
SYI has the capacity to assist the customer from initial design, engineering to final sample and production.
SYI Ductile iron grating loading and shipping.We have a strong R&D team, can design and make the new mould for you.
SYI can supply the COMPACT Restrained Couplings with most reasonable design in the market, according to EN 14525, ISO2531, EN545, EN598, from DN40 to DN2000.
SYI Group Companies have served the society for over 30 years with best Municipal, Drainage and Machinery Products.
SYI Floating Manhole Cover
√ Release of air/water pressure
√ Anti-rocking
√ Anti-slip patterns
√ Automatic locking
SYI COMPACT EX Express Joint Socket Pipe Fittings is the most newest design, most light and most competitive ductile iron EX type fittings in the market, SYI can supply the EX pipe fittings from DN80 to DN600 according to ISO 2531, EN545, EN598, and ISO 10804, for water or sewerage pipeworks, with the coating of Zinc and Black Bitumen coating, Red/Blue Epoxy coating, or PU (polyurethane) coating.
SYI Shell Mould Production Line
√ Strong Sand Strength
√ Clear Outline and Solid Structure
√ Good Collapsibility and Easy Clean Up
SYI Ductile Iron COMPACT Quick Adaptors for PE/PVC/DI pipes, developed by experienced engineers in SYI in 2010, dedicated used for connecting uPVC pipes with flanged products, and also for PE pipes with the gripping ring of same ourside diameter, with most reasonable, light, and competitive features.