Welcome to SYI Group  

Specialist in Pipeline and Construction Products & Services!

• Universal Couplings,
• Universal Flanged Adaptors,
• Straight Couplings,
• Straight Flanged Adaptors,
• Large Range Couplings
• Quick Adaptors,
• Dismantling Joints,
• Clamps,
• Couplings Products Designed By SYI.

 Manufacture Process & Quality Control :

• Manufacture Process:

Pattern Making	Sand Mixing	Moulding
Pouring	Grinding & Shot Blasting	Machining
Coating and Lining	Accessories manufacturing	Packing

• Quality Control:

 Couplings & Flanged Adaptors Installation Instructions :

 Warning: SYI Couplings and Flanged Adaptors don't restrain axial pipe movement!

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