Shipping goods internationally is rarely as simple as booking a container and waiting for delivery. Delays happen. Documents get rejected. Port congestion changes schedules overnight. That’s why understanding how sea freight from China works can save importers both time and money.
Today’s tutorial will explain the full sea freight process from China step by step, including costs, transit times, container options, required documents, and common shipping problems importers should avoid.
Overview of sea freight from China
Sea freight shipping from China is the international transport of cargo by ocean vessels from Chinese ports to overseas destinations.
It is commonly used for:
- Bulk cargo
- Commercial imports
- Heavy equipment
- Industrial machinery
- Furniture
- Building materials
- E-commerce inventory
- Dangerous goods
- Oversized cargo
Compared with air freight, sea freight is significantly cheaper for large shipments. Transit times are longer, but the cost savings often make ocean shipping the preferred option for importers.
For example:
- A 20FT container may cost less than shipping several pallets by air
- Heavy cargo becomes financially viable
- Low-margin products remain profitable
- Larger Cargo Capacity
Additionally, China has some of the busiest ports in the world, including:
- Shanghai
- Ningbo
- Shenzhen
- Guangzhou
- Qingdao
- Tianjin
- Xiamen
These ports connect directly to major markets across Europe, the UK, the USA, Canada, Mexico, and the Middle East.
Multiple container options
Sea freight from China offers several container options based on cargo size, weight, dimensions, and product category. For example, dense cargo such as tiles, metal products, or machinery usually fits better in a 20FT container, while lightweight consumer goods often move in 40HQ containers to maximize volume utilization.
Here’s a quick comparison of the most commonly used shipping containers:
| Container Type | Internal Capacity (CBM) | Common Use |
|---|---|---|
| 20FT Con | Approx. 33 CBM | Heavy cargo, machinery, dense products |
| 40FT Con | Approx. 67 CBM | General commercial cargo |
| 40HQ Con | Approx. 76 CBM | High-volume and lightweight cargo |
| Open Top Con | Varies by cargo | Oversized machinery and tall equipment |
| Flat Rack Con | Varies by cargo | Project cargo and out-of-gauge freight |
| Reefer Con | Approx. 28¨C68 CBM | Temperature-sensitive cargo |
Furthermore, carriers provide specialized equipment for dangerous goods, oversized cargo, and irregular shipments that do not fit into standard containers.
If you’re unsure which container type fits your cargo, check out this detailed guide on shipping container sizes and specifications:
FCL vs LCL shipping for sea freight
One of the first decisions importers make when arranging sea freight from China is whether to use FCL or LCL shipping.Â
What is FCL shipping?
FCL stands for Full Container Load. In this shipping method, one shipper uses the entire container exclusively.
Advantages of FCL shipping
- Faster transit times
- Lower risk of cargo damage
- Better cargo security
- More predictable shipping schedules
- Lower cost per cubic meter for larger shipments
- Less handling during loading and unloading
Most freight forwarders recommend FCL shipping when cargo volume exceeds approximately 15 CBM. In some situations, even smaller shipments may benefit from FCL if the cargo is fragile, high-value, or time-sensitive.
What is LCL shipping?
LCL stands for Less than Container Load. Instead of using an entire container, multiple shippers share space inside one consolidated container.
Advantages of LCL freight
- Lower upfront shipping cost
- Suitable for small cargo volumes
- Flexible for startups and trial orders
- Ideal for low-volume inventory replenishment
However, LCL shipments usually involve additional cargo handling because warehouses need to consolidate and separate cargo from multiple suppliers.
Common challenges with LCL
Compared with FCL, LCL shipping may involve:
- Longer transit times
- Additional warehouse handling
- Higher risk of cargo damage
- More complicated customs inspections
- Extra destination handling charges
Additionally, delays affecting any single shipment inside the container can sometimes impact the entire consolidation.
Standard export documents for sea freight from China
Accurate documentation is essential for smooth shipping.
The essential export documents for sea freight from China usually include:
Commercial invoice
It provides detailed transaction information between the exporter and importer.
It normally includes:
- Product value
- Buyer information
- Seller information
- Product description
- HS code
- Payment terms
- Incoterms
Furthermore, customs authorities use the commercial invoice to verify cargo value and calculate import duties.
Packing list
The packing list explains how the cargo is packed and organized.
It usually includes:
- Carton quantity
- Dimensions
- Gross and net weight
- Packaging details
- Pallet information
- Shipping marks
A clear packing list helps customs officers, warehouses, and trucking companies handle cargo more efficiently.
Bill of Lading (B/L)
B/L is a core shipping document issued by the carrier or sea freight forwarder.
It acts as:
- Proof of cargo receipt
- Legal shipping contract between shipper and carrier
- Ownership document for cargo release at the destination
Without the original or telex release Bill of Lading, cargo cannot be collected at the destination port.
Sea Waybill
A Sea Waybill works similarly to a Bill of Lading, but they are not the same document.
The key difference is ownership control.
Unlike a traditional Bill of Lading, a Sea Waybill is not a title document. That means the consignee can usually collect cargo directly without presenting the original document.
Sea Waybills work well when:
- Buyer and seller have a long-term business relationship
- The buyer completes payment before the shipment’s arrival
- Faster cargo release is preferred
Export customs declaration
China customs requires an export declaration before the cargo leaves the country.
This document usually includes:
- Exporter information
- Cargo description
- HS code
- Shipment value
- Container and weight details
Certificate of Origin
Sometimes required to obtain preferential import duties.
Dangerous goods documents
Hazardous cargo requires additional documentation to comply with international shipping regulations.
These documents may include:
- MSDS (Material Safety Data Sheet)
- UN certification
- Dangerous Goods declaration (DG Declaration)
- Packaging certificates
It is especially important for batteries, chemicals, aerosols, and flammable products.
Sea freight cost from China
Sea freight pricing changes constantly due to market demand, fuel costs, and carrier capacity.
Container type
Container size directly impacts freight cost.
Shipping route
Shipping to Europe usually differs from shipping to Mexico or the Middle East.
The Longer the route is, the more expensive it is.
Estimated sea freight cost from China (Reference only)
| Shipping Route | 20FT Container | 40HQ Container | Transit Time |
|---|---|---|---|
| China to USA West Coast | USD 2,000 - 4,000 | USD 3,000 - 5,500 | 14 - 22 days |
| China to USA East Coast | USD 3,500 - 6,500 | USD 5,000 - 8,500 | 25 - 40 days |
| China to Canada | USD 3,000 - 5,500 | USD 4,500 - 7,500 | 25 - 40 days |
| China to Europe | USD 2,500 - 5,500 | USD 4,000 - 7,500 | 28 - 40 days |
| China to UK | USD 2,800 - 5,800 | USD 4,500 - 7,800 | 25 - 35 days |
| China to Southeast Asia | USD 500 - 1,500 | USD 1,000 - 2,500 | 5 - 12 days |
| China to Middle East | USD 1,500 - 3,500 | USD 2,500 - 5,000 | 18 - 30 days |
These rates serve as market references only. Actual pricing depends on shipment details, carrier availability, and seasonal fluctuations.
Cargo type
Special cargo often increases costs:
- Dangerous goods
- Batteries
- Chemicals
- Oversized machinery
- Refrigerated products
For example, dangerous goods often involve higher documentation fees and stricter loading requirements.
Peak season
Freight rates often rise sharply before:
- Christmas
- Chinese New Year
- Black Friday
- Summer retail season
During these periods, container shortages and port congestion can push rates significantly higher.
Additional charges
Importers should also consider:
- Port handling charges
- Customs clearance fees
- Documentation fees
- Inland trucking
- Warehousing fees
- Terminal handling charges (THC)
- Demurrage and detention fees
For this reason, experienced importers usually request an all-inclusive shipping quotation before confirming bookings.
How to choose the right sea freight forwarder
Choosing the wrong logistics partner can create serious operational problems.
Here’s what importers should evaluate carefully.
Industry experience
Experience matters, especially for:
- Dangerous goods
- Oversized cargo
- Customs-sensitive shipments
Global shipping network
A strong international network helps ensure smoother destination handling.
Transparent pricing
Clear pricing remains one of the most important factors in international logistics.
Professional freight forwarders explain shipping charges in detail, including:
- Ocean freight
- Port handling fees
- Customs clearance charges
- Documentation fees
- Destination local charges
Hidden fees or unclear quotations often signal poor logistics management.
Communication speed
Fast updates reduce uncertainty during shipment delays or customs inspections.
Customs expertise
Good freight forwarders understand both China export requirements and destination import regulations.
That knowledge prevents many avoidable shipping problems. For dangerous goods or regulated products, customs experience becomes even more important.
Why work with Airsupply?
Airsupply provides professional sea freight from China for importers worldwide.
Our services include:
- FCL and LCL shipping
- Dangerous goods transportation
- Amazon FBA forwarding services
- Temperature-controlled shipping
- Oversized cargo solutions
- Customs clearance support
- Warehousing and consolidation
- Door-to-door logistics
- Global shipping coverage
