Ductile Iron Double Triangular Gratings

1. SYI manhole grating, gully grating & casting strictly conform to standard and are free from sand holes.

2. Smooth and free from sand holes, blow holes, distortion or any other defects

3. Processes:
    Automatic machine lines
    Moulding boards
    Green sand with hand moulding

4. Inscription styles:
    SYI Foundry
    As per customers' requests
    Standard inscription

5. Inspection:
    Foundry in-house
    Third party inspection available upon request

6. Guarantee: SYI Foundry will replace any heavy duty castings that have been properly installed and broken in normal use, free of charge after receipt of the broken castings

7. Different accessories are available

Web Site:
SYI can provide the products instructions and the guide of production installation to customers.

With annual production capacity of 35,000 tons, our major equipments include 2 sets of automatic moulding lines, 4 sets of 5-tons cupola and furnaces, 2 sets of load testing machines, 1 epoxy coating machine, 5 sets of core-shooting machines, 3 set of shot blasting machines, 4 set of water pressure machines, 2 machining workshops and all necessary chemical and physical test facilities.

SYI regards quality as an essential and integral part of our business success. Until now, we are ISO 9001:2008, TUV certified, BSI Kitemarked, SGS certified, UL listed, FM certified, NF certified and CE certified. Manufacturing "SYI" Brand products has evolved as a mark of quality!