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SYI Group Companies are capable of both manufacturing and trading service, who have served the society for 30 years with best Municipal, Pipeline and Machinery products. 

Since the second half of 20th century, SYI has been an OEM manufacturer of machined & un-machined castings and forgings in a variety of industries. Today, we manufacture over 10,000 products - everything from single product to a whole project solution.

SYI regards quality as an essential and integral part of our business success. Until now, we are TUV, BSI Kitemarked, SGS, BV, FM certified, and UL, WRAS listed, and the approved by different countries and authorities. Manufacturing "SYI" Brand products has evolved as a mark of quality! 

At Shanxi base, we have over 500,000 square meters of workshop, warehousing and production facilities. We have 6 automatic moulding machine lines, CNC machining center, professional laboratory, in-house pattern & tooling shops and most important-a group of highly experienced and technically qualified staff

SYI also has the capacity to assist the customer from initial design, engineering to final sample and production. Our aim is to provide all of our customers with VALUE of the products instead of only low prices. Cast Tomorrow everyday!

mainCategories

Manhole Covers
Ductile Iron Pipes
Ductile Iron Pipe Fittings
Flanges & Steel Pipe Fittings
US $600 - 1600/Ton
0.5 Tons(Min. Order)
US $600 - 1600/Ton
0.5 Tons(Min. Order)
US $600 - 1100/Ton
5 Tons(Min. Order)
US $700 - 1100/Ton
5 Tons(Min. Order)
US $600 - 1600/Ton
0.5 Tons(Min. Order)
US $10 - 10000/Meter
6000 Meters(Min. Order)
US $10 - 10000/Meter
6000 Meters(Min. Order)
US $10 - 10000/Meter
6000 Meters(Min. Order)
US $10 - 10000/Meter
6000 Meters(Min. Order)
US $10 - 10000/Meter
6000 Meters(Min. Order)
US $1000 - 1500/Ton
6000 Tons(Min. Order)
US $1000 - 2000/Ton
0.5 Tons(Min. Order)
US $10 - 2000/Unit
10 Units(Min. Order)
US $1000 - 2000/Ton
0.5 Tons(Min. Order)
US $1000 - 2000/Ton
0.5 Tons(Min. Order)
US $1000 - 2000/Ton
0.5 Tons(Min. Order)
US $1500 - 1600/Ton
5 Tons(Min. Order)
US $1500 - 1600/Ton
5 Tons(Min. Order)
US $1500 - 1600/Ton
5 Tons(Min. Order)
US $1500 - 1600/Ton
5 Tons(Min. Order)
US $1000 - 1500/Ton
2 Tons(Min. Order)
US $600 - 700/Ton
2 Tons(Min. Order)

Gratings and Surface Boxes

US $600 - 1600/Ton
0.5 Tons(Min. Order)
US $600 - 1600/Ton
0.5 Tons(Min. Order)
US $600 - 1600/Ton
0.5 Tons(Min. Order)
US $600 - 1600/Ton
0.5 Tons(Min. Order)
US $600 - 1600/Ton
0.5 Tons(Min. Order)
US $600 - 1600/Ton
0.5 Tons(Min. Order)
US $600 - 1600/Ton
0.5 Tons(Min. Order)
US $600 - 1600/Ton
0.5 Tons(Min. Order)

Manhole Steps and Floor Drain

US $2 - 8/Piece
100 Pieces(Min. Order)
US $2 - 8/Piece
100 Pieces(Min. Order)
US $2 - 8/Piece
100 Pieces(Min. Order)
US $2 - 8/Piece
100 Pieces(Min. Order)
US $1500.0 - 2000.0/Sets
5 Sets(Min. Order)
US $1500.0 - 2000.0/Sets
5 Sets(Min. Order)
US $1500.0 - 2000.0/Sets
5 Sets(Min. Order)
US $15.0 - 25.0/Sets
5 Sets(Min. Order)
US $25.19 - 34.25/Square Meter
1 Square Meter(Min. Order)
US $25.19 - 34.25/Square Meter
1 Square Meter(Min. Order)
US $25.19 - 34.25/Square Meter
1 Square Meter(Min. Order)
US $25.19 - 34.25/Square Meter
1 Square Meter(Min. Order)
US $25.19 - 34.25/Square Meter
1 Square Meter(Min. Order)

Ductile Iron Pipes

US $10 - 10000/Meter
6000 Meters(Min. Order)
US $10 - 10000/Meter
6000 Meters(Min. Order)
US $1000 - 1500/Ton
6000 Tons(Min. Order)
US $10 - 10000/Meter
6000 Meters(Min. Order)

Ductile Iron Pipe Fittings

US $1000 - 2000/Ton
0.5 Tons(Min. Order)
US $10 - 2000/Unit
10 Units(Min. Order)
US $1000 - 2000/Ton
0.5 Tons(Min. Order)
US $1000 - 2000/Ton
0.5 Tons(Min. Order)
US $1000 - 2000/Ton
0.5 Tons(Min. Order)
US $1000 - 2000/Ton
0.5 Tons(Min. Order)

Couplings and Flange Adapter

US $10 - 2000/Set
1 Set(Min. Order)
US $10 - 10000/Set
1 Set(Min. Order)
US $5 - 200/Set
10 Sets(Min. Order)
US $1000 - 1500/Ton
1 Ton(Min. Order)
US $1 - 10000/Unit
1 Unit(Min. Order)
US $5 - 200/Set
10 Sets(Min. Order)
US $10 - 2000/Set
1 Set(Min. Order)
US $1000 - 1500/Ton
1 Ton(Min. Order)

Valves

US $1 - 10000/Set
1 Set(Min. Order)
US $10 - 1000/Set
50 Sets(Min. Order)
US $20 - 10000/Set
1 Set(Min. Order)
US $20 - 10000/Set
1 Set(Min. Order)
US $1 - 10000/Set
1 Set(Min. Order)
US $1 - 10000/Set
1 Set(Min. Order)
US $10 - 1000/Set
50 Sets(Min. Order)

Fire Hydrants

US $1 - 10000/Set
1 Set(Min. Order)
US $1 - 10000/Set
1 Set(Min. Order)
US $1 - 10000/Set
1 Set(Min. Order)
US $1 - 10000/Set
1 Set(Min. Order)

Flanges

US $1500 - 1600/Ton
5 Tons(Min. Order)
US $1500 - 1600/Ton
5 Tons(Min. Order)
US $1000 - 1400/Ton
5 Tons(Min. Order)
US $1500 - 1600/Ton
5 Tons(Min. Order)
US $1500 - 1600/Ton
5 Tons(Min. Order)
US $1500 - 1600/Ton
5 Tons(Min. Order)
US $1 - 10000/Piece
1 Piece(Min. Order)
US $1500 - 1600/Ton
5 Tons(Min. Order)