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Quick Details

  • Place of Origin: Chongqing, China (Mainland)
  • Brand Name: Hi-Sea
  • Model Number: Cardinal Marks
  • Product Name: Navigation Buoy Cardinal Mark Buoy
  • Function: Navigation Aids
  • Material: FRP/UHMWPE/Steel
  • Application: Sea/Inland River
  • Customized Service: Yes

Packaging & Delivery

Packaging Details standard seaworthy export packing or as required
Delivery Time Shipped in 30 days after payment
Product Description

Navigation Buoy Cardinal Mark Buoy

cardinal mark buoy/cardinal mark/cardinal buoy

Cardinal marks indicate that the deepest water in the area lies to the named side of the mark. Cardinal marks do not have a distinctive shape but are normally pillar or spar. They are always painted in yellow and black horizontal bands and their distinctive double cone top-marks are always black.

Main Characteristics
1.Environmentally friendly
2.Maintenance free
3.Good impact resistance
4.Good corrosion resistance
5.No need painting for a long time
7.Lightweight with small inertia
8.Long service life
9.Stable performance
10.Large buoyancy, no water leakage

Types of Cardinal Marks

1. North Cardinal Mark

2. South Cardinal Mark

3. East Cardinal Mark

4. South Cardinal Mark

Shallow water, channel edges, sheltered water, open sea, deep harbors

The materials of the cardinal mark can be different according to customer’s special requirements. Most of our buoys are made of UHMWPE material which has more advantages than other materials. The inner side of the buoy is filled with polyurethane closed-cell foam.

The diameter of the navigation marks is changeable, which depends on the specific needs of customers. It can be 0.6m, 0.8m, 1.2m, 1.5m, 1.8m, 2.1m, 2.4m, 3m, 3.5m etc.

Standard or Certificate

Packing or Shipping
Standard seaworthy package or as customer required. Short delivery after payment is made.

Features of Cardinal Marks

North Cardinal Mark
East Cardinal Mark
South Cardinal Mark
West Cardinal Mark
Black up, 
yellow down
Black, with a yellow platband in the middle
Yellow up, 
Black down
Yellow, with a black platband in the middle
Column, or bar shape with a topmark
Two cones vertically set up and down
The direction of wo conical top-marks both points up
The direction of two conical top-marks pionts away from each other
The direction of two conical top-marks points down
The direction of two conical top-marks points towards each other
White light, continous faster flash
White light, continous faster flash 3 times, every 5 seconds
White light, contimous faster flash 6 times plus a long flash, every 10 seconds
White light, contimous faster flash 9 times, every 10 seconds
White light, continous fast flash
White light, continous flash 3 times, every 10 seconds
White light, contimous fast flash 6 times plus one long flash, every 15 seconds
White light, continous fast flash 9 times, every 15seconds
Product Images

North Cardinal Mark

South Cardinal Mark

East Cardinal Mark

1.2m West Cardinal Mark

1.5m West Cardinal Mark

Related Products

Starboard Buoy

Lateral Mark

Port Hand Buoy

EVA Foam Filled Buoy

Safe Water Mark

Special Mark

UHMWPE Fairway Buoy

Sea Mark Buoy

Isolated Danger Mark

Polyurea Navigation Buoy

Emergency Wreck Marking Buoy

Ice Buoy

Our Service

1.Quality Assurance
All our products are strictly manufactured in accordance with the production standards. Before being issued the product quality certification, all products are inspected and accepted by the technical inspection department of the manufacturing plant.

2.Product Customization Service
Our company can supply both standard and non-standard products to meet your various needs. We can customized products according to your drawings.

3.Providing Classification Society Certificates
We can supply various certificates of Classification Societies: CCS, ABS, BV, DNV, GL, LR, NK, KR, RINA, RS etc..

4.Excellent Pre-sale and After-sale Service
Our salesmen are adhering to the trading principles of being honest and trustworthy, fair and equitable to provide excellent and satisfactory service for our customers.

Company Information

Chongqing Hi-Sea Marine Equipment Import & Export Co., Ltd. locates in Chongqing, one of the largest industrial cities in China. We have been engaged in the field of marine and offshore equipment since 1996.

Our main products are as follows: marine deck equipment, marine mooring equipment, marine cables and other electric equipment, marine light fittings, marine lifesaving and safety equipment, marine pipe system fittings (e.g. pumps, valves etc.). 

We have two stock factories in Chongqing and more than 20 long-term cooperation factories throughout China. 

Our aim is to provide the superior quality products, reasonable price and efficient and professional service. We can also provide ABS, LR, BV, GL, FNV, KR, NK, RINA,CCS certificate for our marine products.

“Integrity, Win-Win and Nonstop Improvement” is our enterprise spirit. We’re looking forward to your visit and negotiation. We believe that we’ll be your reliable partner in China.

Contact Us

Chongqing Hi-Sea Marine Equipment Import & Export Co., Ltd.

Add: 15-1, Jinshan Matrix A, Saidi Rd., New North Zone, Chongqing 401122, China


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