2026 Complete Guide to Stone Import Customs Clearance | Reliable Stone Import Customs Broker Selection Criteria

In April 2026,we collaborated with Mr.Hou,a building materials wholesaler based in Dongguan.Previously,he declared 10 containers of Italian Carrara White Marble on his own,but incorrectly classified polished stone under Chapter 6802 as rough stone under Chapter 2515.As a result,he not only paid an additional tax difference of RMB 127,000 but also incurred RMB 42,000 in demurrage fees due to 15 days of port detention caused by targeted inspection.In the end,he made almost no profit from this shipment.We handle nearly 300 such cases every year,and 90% of the issues arise from unfamiliarity with stone import regulatory rules and lack of pre-compliance screening.

2026 Core Regulatory Requirements for Stone Import Customs Clearance

Stone is a resource-based imported commodity.In 2026,the customs updated the special regulatory model for stone categories,with significant differences in regulatory requirements for different categories.If the declared information does not match the actual goods,targeted inspection will be triggered directly.We have compiled a comparison table of regulatory requirements for mainstream imported stones to facilitate pre-verification for traders:

In addition to the regular requirements in the table,in 2026,the customs added price assessment benchmarks for stone originating from three countries: Turkey,Iran,and Italy.If the declared price is 10% lower than the benchmark,it will directly enter the price verification process,requiring materials such as original factory invoices,foreign exchange payment vouchers,and trade contracts to prove the authenticity of the price.The entire verification cycle is at least 15 days and can be up to 3 months.

Core Evaluation Criteria for Stone Import Customs Brokers

Currently,there are over 20,000 customs brokerage agencies in China,but less than 10% of them have specialized operational experience in stone imports.When selecting a broker,do not only focus on the quotation; instead,pay attention to the following core capabilities:

• Whether they have specialized operational cases for stone categories,especially operational experience in the corresponding category and origin country of your imports,and whether they can provide customs clearance documents for the same category in the past 6 months as reference.Many general-purpose customs brokers are unfamiliar with the radioactivity testing and animal and plant quarantine requirements for stone,making it easy to encounter problems.
• Whether they can provide pre-arrival pre-inspection services.Reliable brokers will complete the review of all documents 7 days before the goods arrive at the port,including certificates of origin,fumigation certificates,radioactivity test reports,and verification of declaration elements.They will also complete pre-classification of HS codes and pre-assessment of prices in advance,allowing direct declaration upon arrival and avoiding delays caused by document amendments after arrival.
• Whether they have nationwide port linkage declaration capabilities.Stone imports usually go through four main ports: Tianjin,Shanghai,Xiamen,and Shenzhen.If a broker can only handle declarations at a single port,you will need to find a new broker when switching ports,resulting in high communication costs.We currently support remote declarations at all ports nationwide,so no matter which port you import through,you can communicate with a single contact person for unified handling.
• Whether the fees are transparent and whether there is a clear fee schedule to avoid hidden charges.Many low-priced brokers only quote customs and inspection fees initially,then charge high inspection service fees,demurrage fees,and document amendment fees later,resulting in a total cost that is more than 30% higher than the normal quotation.

Common Risks and Solutions for Stone Import Customs Clearance

With over 20 years of experience in stone import brokerage,we have concluded that 90% of risks can be avoided in advance.Here are several high-frequency pitfalls for your reference:

The first risk is underreporting the value of goods.Many traders intentionally underreport the value of goods to pay less customs duties.In 2026,the customs’ stone price assessment database covers ex-factory prices and ocean freight prices from 87 stone-producing countries worldwide.Underreporting is easily detected.Once verified,traders not only have to pay back taxes and late fees but also face a fine of 5%-30% of the goods’ value.In severe cases,they will be included in the dishonesty list,and all subsequent imported goods will be subject to targeted inspection.When we handle the process,we will provide customers with price declaration suggestions in advance based on the customs’ benchmark price.If the customer’s actual purchase price is indeed lower than the benchmark price,we will prepare a complete set of price verification materials in advance and conduct price negotiation with the customs ahead of time to avoid entering the verification process.

The second risk is incomplete documentation.Especially for IPPC fumigation markings and radioactivity test reports required for granite imports,many foreign suppliers provide reports that do not meet the requirements of domestic customs.If this is discovered after the goods arrive at the port,the goods will either be returned or destroyed,resulting in huge losses.We provide document templates to customers when they place orders,requiring foreign suppliers to send all documents for review before shipment.Unqualified documents are revised in advance to avoid delays after arrival.For stone imports from RCEP member countries,we also verify the issuing authority of the certificate of origin and the origin standards of the goods in advance to ensure compliance with tax reduction requirements,with a maximum customs duty saving of 8%.

The third risk is destination port fee traps.Many traders import under EXW or FOB terms,and the destination port document exchange fees and THC fees charged by foreign-designated freight forwarders are often 2-3 times higher than the market price,resulting in additional costs.We have a global agent network and can directly connect with foreign suppliers and shipping companies to verify all destination port fee standards in advance and avoid hidden charges.For imports under EXW terms,we can also provide full-chain services including door-to-door pickup abroad,ocean freight,customs clearance,and delivery,eliminating the need for customers to coordinate with multiple service providers.

In March 2026,Ms.Qu from Xiamen imported 12 containers of Iranian Beige Marble.The previous broker she hired missed the official radioactivity test certificate issued by Iran,resulting in a 12-day customs delay,with demurrage fees of RMB 2,800 per day.After we took over,we first contacted our local partner in Iran and obtained the required supplementary certificate within 2 days.At the same time,we booked priority testing with the customs technical center,completed pre-assessment of the price in advance,and helped her apply for customs duty reduction under the China-Iran Free Trade Agreement.Finally,we completed customs clearance in a total of 5 days,7 days ahead of schedule,saving nearly RMB 20,000 in demurrage fees and enjoying RMB 32,000 in customs duty reduction.

If you have a plan to import stone recently,are unsure about the documents required for your goods,or have encountered problems with previous declarations,you can send us the category of your goods,origin country,and trade terms.We can provide you with a free compliance screening to avoid all potential risks in advance.