About TUOLAN TRADE
Connecting products, technical requirements and international markets.
TUOLAN TRADE is the international-facing brand of Nanjing Tuolan International Trading Co., Ltd., a Nanjing-based trading company providing cross-border trade, product development and supply-chain coordination for overseas customers.
Company profile
A practical bridge between capable supply resources and overseas buyers.
Nanjing Tuolan International Trading Co., Ltd. serves overseas distributors and customers through international trade, product development and supply-chain services. Our priority markets include the United States and Southeast Asia.
This website presents our B2B technical sourcing portfolio. We work with product, engineering and procurement teams that need clearer communication, comparable quotations, controlled samples and reliable export delivery from China.
B2B technical products
Two focused product routes, organized around the real application.
Our optical portfolio covers windows, mirrors, prisms, spherical, cylindrical and aspherical lenses, optical coatings, visible and VIS–NIR objectives and eyepieces, MWIR continuous-zoom assemblies, and LWIR fixed-focus, athermalized and dual-field-of-view assemblies.
Our fiber portfolio includes tight-buffer fiber, fiber ribbons and compact mini-cables for optical components, FTTH, access networks and data-center applications.
From requirement to reliable delivery
A visible workflow for technical and commercial decisions.
We support customers from the first sourcing brief through sample approval, production coordination and repeat supply.
Requirement review
Clarify the application, drawing, interfaces, quantity, target market and required evidence.
Sourcing & screening
Identify a suitable supply route and review process fit, materials and inspection capability.
Quotation & sample
Align specifications, commercial terms, samples, reports, packaging and acceptance criteria.
Procurement & quality
Coordinate production, inspection records, change communication and delivery readiness.
Delivery & support
Arrange export delivery and maintain the approved basis for responsive repeat supply.
Who we support
Distributors, engineering teams and procurement customers.
Our role is to turn an inquiry into a supplier-ready brief and keep the important decisions visible. Depending on the project, support may include drawing review, supplier screening, specification customization, sample validation, quality inspection, export coordination and factory-audit planning.
Our wider company scope also includes consumer cross-border commerce through established international marketplaces. On tuolango.com, however, the published product catalog remains focused on technical B2B projects so industrial buyers can navigate without unrelated consumer categories.
Our working principle
Clear requirements, evidence-based confirmation and long-term supply thinking.
Clear requirements, evidence-based confirmation and long-term supply thinking.
Our brand promise
Global sourcing · Reliable supply.
On-site verification
Factory visits and supplier audits are available by appointment.
Qualified buyers can visit a selected facility or arrange a supplier audit after the product route and project scope are confirmed. Before scheduling, we align the facility, attendees, visit purpose, relevant processes and document checklist.
We do not publish unsupported certifications, tolerance limits, capacity figures or performance claims. Project-specific statements are confirmed through current supplier documents, approved samples, test reports and agreed inspection evidence.
Talk with TUOLAN TRADEsales@tuolango.com
Introduce your company, product, application, expected quantity and destination market. Include preferred visit dates if a factory visit or audit is required.