Machining Parts:

Our company can supply various Weld D-ring (OEM) according to the customers’ drawings and requirements. Please offer us your enquiry with detailed drawings, specifications, unit weight, quality requirements and pictures. We will supply you not only the products with good quality but also competitive price and satisfactory service!

Product Introduction:

Cast ductile iron: QT400-18, QT450-12, QT500-7;
Cast steel and Stainless Steel.
Die forging, welding, stamping;
Investment casting/Precision casting/ lost wax casting.
Heat Treatment:
Quenching, Tempering, Annealing, Normalizing, Nitridation, Carburization.
Surface Treatment:
Zinc-Plated, Hot dipping galvanized, Polishing, Painting, Powder coating.
Machining Equipment:
CNC Machines, Turning Machines,Drilling Machines , Milling Machines, Grinding Machines,etc.
Measuring Tool:
CMM, Projector, Vernier Caliper, Depth Caliper, Micrometer, Pin Gauge, Thread Gauge, Height Gauge, etc.
Construction Industry, Municipal Engineering, etc.
Plywood or wooden case, pallet (As per customer’s requirement).

Most of the standard sizes are available.
Ask SYI Sales Representatives for more details at