Double Cross Bollard Double cross bollard, bulit on the side of a river or harbour, are used to tie ropes to help vessels dock. Our company supplies GB/T 554-96 type E double cross bollard and other stainless steel double cross bollards. If you’re interested in our product, please feel free to contact us. Features of Double Cross Bollard 1. Material: steel, ductile iron or stainless steel; 2. Surface: polished, galvanized,bitumen paint or as customer’s requirement; 3. Color: red, grey, black etc. as required; 4. Certificate: CCS, ABS, BV etc.; 5. Can be customized according to customer’s special requirement; 6. 1 year warranty;