On August 1, 2026, Latin American e-commerce giant Mercado Libre officially launched its local ”FULL” warehouse service in Mexico, Brazil, Chile, and Argentina, and introduced the CBT PRO program for Chinese cross-border sellers. This marks the largest infrastructure upgrade by Mercado Libre since the launch of its cross-border trade program—previously, Chinese sellers could only enter the Latin American market through direct international shipping, resulting in delivery times of 15–30 days and persistently high return and exchange rates; Now, through local FULL warehouses, sellers can pre-position inventory in warehouses within their target countries, delivering a ”next-day” or “two-day” delivery experience similar to Amazon’s FBA service.

Even more crucial is the human factor: The CBT PRO program provides one-on-one Chinese-speaking account managers, the ability to independently submit event proposals, and a dedicated after-sales support channel—for the first time, Chinese sellers now have access to operational tools that are nearly on par with those of local Latin American sellers. This ”equal access to infrastructure” on both the logistics and operational fronts marks the beginning of a new phase of competition in cross-border e-commerce in Latin America.

But the logistics dividend has never been a free lunch. Each of the four countries’ “FULL Warehouse” programs has its own compliance requirements for admission: in Mexico, an RFC tax ID is a core prerequisite (without an RFC, withholding tax can be as high as 361 TP3T); Brazil will mandate segregated account payments starting in August, requiring the linking of a CNPJ to a local bank account; Chile and Argentina also have their own tax and certification requirements. Logistics and compliance are the two pillars of Latin American expansion in the era of FULL warehouses—without one, you can’t move forward.

The Meikeduo Support Team at Qicaiying Group offers one-stop services, including integration with FULL warehouses in four countries, RFC registration in Mexico, CNPJ registration in Brazil, and the establishment of overseas warehouses in Latin America. This article will systematically break down the entry requirements, cost structures, and compliance requirements for FULL warehouses in these four countries to help you determine the optimal timing and path for market entry. If you have needs related to logistics in Latin America, please feel free to contact Qicaiying (Consultation Hotline: 18676749275; add WeChat: Qicaiyingjituan).

Qicaiying Group specializes in providing domestic and international company registration services in Shenzhen, Guangzhou, Shanghai, Beijing, Hangzhou, Hong Kong, the United States, Japan, South Korea, Southeast Asia, Singapore, the British Virgin Islands (BVI), the Cayman Islands, and other locations, as well as corporate annual review and auditing, bookkeeping and tax filing, tax compliance, information updates, bank account opening, ODI filing, FDI filing, and other corporate services; Hong Kong identity application, renewal, and permanent residency services; Singapore EP application services; and cross-border e-commerce support and managed operations—all as part of our one-stop service. If you have any needs or are interested, please feel free to contact me at any time (Consultation Hotline: 18676749275; add me on WeChat: Qicaiyingjituan).

I. Mexico FULL Warehouse: Next-Day Delivery Network for the Largest Market

Mexico is Mercado Libre’s largest single market, with over 100 million monthly active users. The FULL fulfillment center is located on the outskirts of Mexico City and covers the entire country with ”next-day delivery.”

Eligibility Requirements: Register for a Mexican RFC tax ID (a key requirement), complete the seller qualification review, and stock at least 30 SKUs for the initial inventory.

The importance of RFCs cannot be overstated: For cross-border sellers without an RFC tax ID, the platform withholds 36% of the sales amount as advance tax payments on each sale (16% for VAT + 20% for income tax); for business sellers with an RFC tax ID, the withholding rate is significantly reduced, and income tax is paid based on actual profits. For a seller with monthly sales of $100,000, a withholding of 36% represents a cash tie-up of $36,000—enough to cripple cash flow. Obtaining an RFC is not a matter of ”whether or not to apply”; it is the ticket to operating a full-scale warehouse in Mexico.

Timeliness and Traffic: Products listed in the FULL inventory enjoy next-day delivery and priority in search rankings. Products using FULL see an average conversion rate increase of 22%, and they also have significantly more opportunities to participate in promotions compared to products shipped directly by sellers.

II. Brazil FULL Warehouse: A Localized Stronghold in the Era of Split Payments

The Brazilian FULL warehouse is located on the outskirts of São Paulo and serves the core consumer markets of southeastern Brazil.

Admission Requirements: A Brazilian local company entity + CNPJ tax ID + local bank account. Starting August 1, the segregated account payment system will be mandatorily implemented; sellers must link their Brazilian tax information to receive payments normally—making a local company structure no longer a ”preferred” option but a ”required” one.

Operational Characteristics: Brazilian consumers are extremely sensitive to delivery times, and the traffic shift toward FULL-warehouse products is particularly noticeable during major sales events (Black Friday, the Christmas season). The Brazil site requires the use of the local PIX payment channel for collections; funds are settled independently for each site and cannot be transferred across sites, so cash flow planning must be done in advance.

Category Reminder: Brazil enforces strict regulations on specific product categories such as maternal and infant products and food; cross-border sales are prohibited in some categories. Under the "local company + FULL warehouse" model, the range of categories available for sale is broader.

III. Chile and Argentina FULL Warehouses: Early Strategic Positioning in a Growing Market

Chile FULL Warehouse: Chile is one of the Latin American markets with the highest per capita purchasing power and a well-established e-commerce sector. The Chilean marketplace does not require a tax ID, but products must comply with local safety standards. For sellers already established in Mexico and Brazil, Chile represents a natural growth market.

Argentina FULL Warehouse: The Argentine market is substantial but subject to high macroeconomic volatility (inflation, foreign exchange controls). Cross-border sellers entering the Argentine market must assess exchange rate and payment collection risks. The FULL-warehouse model, which leverages the platform’s logistics and payment collection systems, relatively reduces operational risks for individual sellers; however, cash flow planning should still be conservative.

Layout Recommendations: The ”FULL Warehouse” strategy for the four countries does not mean ”going all in.” The rational approach is: "Start with Mexico (largest market + clear RFC requirements) → Follow with Brazil (local entities + compliant revenue sharing) → Expand into Chile and Argentina based on supply chain capacity." First, establish a deep presence in one country, then replicate that experience.

IV. The CBT PRO Program: ”Operational Equality” for Chinese Sellers”

While FULL addresses logistics infrastructure, CBT PRO addresses operational infrastructure. It offers four core benefits:

Benefit 1: A dedicated Chinese account manager. The situation where Chinese sellers on Latin American platforms used to have ”no one to turn to” has changed—there are now Chinese-speaking contacts available for onboarding, operations, promotions, and issue escalation.

Benefit 2: Permission to independently submit event proposals. No longer reliant on passive invitations, sellers can now proactively submit proposals for major promotional events (Black Friday, Hot Sale, holiday season) and take control of the promotional schedule.

Benefit 3: Dedicated After-Sales Service Channel. There are dedicated channels for handling cases and resolving disputes, and the speed of after-sales response directly impacts store ratings and conversion rates.

Benefit 4: Synergy with new infrastructure projects, such as the New Leon State Central Warehouse. In September, a 70,000-square-meter central warehouse in Nuevo León began operations (as part of a $4.6 billion investment plan), and the density and efficiency of the logistics network continue to improve, with CBT PRO sellers benefiting first.

With the complete trio of logistics (FULL Warehouse), operations (CBT PRO), and compliance (RFC/CNPJ) now in place, Chinese sellers in Latin America have, for the first time, a comprehensive toolkit to compete head-to-head with local sellers.

Qicaiying Group offers one-stop services including Meike Duo CBT PRO applications, integration with FULL warehouses in four countries, RFC registration in Mexico, company registration and CNPJ registration in Brazil, and market compliance assessments for Chile and Argentina. We maintain long-term partnerships with locally licensed law firms, accounting firms, and overseas warehouse operators across multiple Latin American countries to help sellers break down their ”four-country strategy” into actionable, phased plans. For inquiries, please call 18676749275 or add us on WeChat: Qicaiyingjituan.

Qicaiying Group’s overseas warehouse setup services cover major markets such as the United States, the United Kingdom, Germany, Southeast Asia, Latin America, and South Africa. We can assist with overseas warehouse site selection and evaluation, coordination of inbound logistics (ocean freight/air freight/ rail), warehousing, shelving, and inventory management, local delivery and returns processing, and integration with official platform warehouses (Amazon FBA, Meike Duo Full, Takealot FBT), providing professional support for every logistics stage of the FULL warehouse model. Consultation Hotline: 18676749275. Add WeChat: Qicaiyingjituan.

V. Cost and Stocking Strategies for FULL Warehouses

A FULL warehouse isn’t just about ”shipping the goods and calling it a day”; the cost structure and inventory strategy determine the level of profitability.

The Four Elements of Cost Structure: Initial logistics fees (sea freight/air freight, billed based on volumetric weight) + warehouse handling fees + storage fees (slow-moving SKUs that occupy warehouse space for extended periods can result in high storage costs) + final-mile delivery fees (billed per package; included in the FULL service system). In addition, import duties and taxes for Mexico and Brazil must be factored into the per-unit cost.

Three Principles of Inventory Planning: First, ”start with an initial batch of 30 SKUs, with small batches per SKU”—test sales velocity with the smallest possible batch sizes to avoid long-tail SKUs taking up warehouse space; second, ”data-driven replenishment”—replenish inventory on a rolling basis based on platform sales data to maintain a 4–8-week inventory level; Third, ”promptly clear slow-moving inventory”—SKUs with low sales should be cleared through promotions or transferred to other warehouses in a timely manner, as storage fees can eat into profits at an astonishing rate.

Profit Projections First: Before putting items into inventory, create a profit model for each item (selling price – commission – shipping – warehousing – taxes) and confirm that the gross profit is positive before shipping. Under Mercado Libre’s 2026 fee structure, commissions for standard product categories on the Mexico marketplace range from approximately 11.51 TP3T to 17.51 TP3T, and on the Brazil marketplace from 12.51 TP3T to 16.51 TP3T. The maximum 50% discount available under the semi-managed model can be factored into this assessment.

VI. Conclusion: The Right Approach to Capitalizing on the Logistics Boom

The full opening of local FULL warehouses in the four countries, combined with the CBT PRO program, represents the most significant infrastructure dividend for cross-border e-commerce in Latin America in 2026. Based on experience in other markets, the window for logistics infrastructure upgrades is typically accompanied by 12–24 months of platform traffic support—sellers who enter warehouses early enjoy dual benefits (delivery speed advantages and traffic prioritization), while those who enter later face a competition benchmark that has already been raised.

However, the sequence of steps is crucial: first, establish compliance status (Mexican RFC/Brazilian CNPJ); next, plan the warehouse deployment schedule (Mexico first, followed by Brazil); and finally, allocate operational resources (CBT PRO + campaign submissions). Only by prioritizing compliance can the logistics benefits be fully realized.

If you are evaluating a full-warehouse strategy in Latin America and need assistance with RFC/CNPJ registration, overseas warehouse integration, or comprehensive cross-border expansion solutions, please feel free to contact Qicaiying. Qicaiying Group is a board member of the Shenzhen Cross-Border E-Commerce Association. With a professional team of 400 and a local partnership network spanning over 40 countries, we have served more than 18,000 corporate clients. We can tailor a comprehensive Latin American expansion solution for you, covering everything from tax registration and logistics infrastructure to scaling up operations. Consultation Hotline: 18676749275. Add us on WeChat: Qicaiyingjituan.

Qicaiying Group specializes in providing one-stop cross-border e-commerce support services, including Meike Duo FULL warehouse integration, RFC registration in Mexico, CNPJ registration in Brazil, Latin American overseas warehouse setup, and managed advertising campaigns. From the very first step of warehousing to the 100th day of scaling up, a professional team is on hand to guide you through every stage. Contact us at 18676749275, or add us on WeChat: Qicaiyingjituan.