Upon an initial inquiry, our staff will match you with a member of our U.S.-based sales team from our corporate headquarters in Colorado. We are here to answer the critical questions you have relating to our services, our foundries, or your specific project requirements. Our project management team will walk you through a series of discovery questions to better understand your manufacturing needs, production timeline, country preference, quantities, and other vital factors to production.


Once the discovery phase is complete, your dedicated technical project lead will request your drawings, including PDF 2D drawings and 3D files (if available). In addition to providing the part dimensions, the drawings must specify material, surface finish, tolerances, etc. We conduct a thorough analysis of your product drawings and specifications (free of charge) that uncover any potential design flaws which may affect the manufacturing of the product or the product lifecycle.


Some projects require assembly prior to shipping. In such cases, our project lead will request assembly drawings and a Bill of Materials. The Bill of Materials must contain all the raw materials, sub-assemblies, intermediate assemblies, sub-components, parts, and the quantities of each needed to manufacture your end product design. We carefully review your materials, accounting for all components, before proceeding with a quote.


Within 3-5 days of receiving your drawings and design specifications, we will have a detailed price quote ready for your review. Upon request, and at no additional charge, we can also provide shipping and tariff estimates in your quote for a total delivered price. Upon your acceptance of the quote, we will request a PO (purchase order) from your organization.


Once we receive your PO (purchase order), we then begin a production run to create samples of your end-product – at no charge to you. We include shipment of samples at no charge as well. After a satisfactory inspection of your product samples, we request your written approval before starting production.

inspection & Approval

Upon receiving your written acceptance of the sample order, we will begin a full-production run to your complete order. We then schedule 3rd party inspections to carefully check the parts to verify your requirements before shipment to your destination. In rare occurrences where there are any quality issues, you will contact your Redstone Manufacturing project lead, who will expedite the replacement parts.

A great buying experience,
FOR ALL experience levels

We are here to help, whether you are a seasoned professional already overseeing manufacturing or its your first time in production.

New to OVERSEAS Manufacturing?

Our U.S.-based team includes expert manufacturing consultants that work directly with you to ensure world class outcomes – regardless of your experience level. Offshoring production does not have to be intimidating and risky. We simplify the process and assign you a dedicated account manager from start to finish. And, we also offer an array of added benefits and consulting at no additional charge including tariff and duty tax consulting, product design consulting, landed price calculations, product samples, third-party inspections, and a delivery guarantee.

Experienced WITH OVERSEAS ManufacturING?

We love partnering with supply chain managers to help make their jobs easier. We add additional value and smoothly guide the transition to offshore production. With manufacturing locations in three countries and headquarters in the U.S., we have the flexibility and skilled staffing to meet your demands and your budget. Supply chain managers will enjoy an array of added benefits and consulting at no additional charge including tariff and duty tax consulting, product design consulting, landed price calculations, product samples, third-party inspections, and a delivery guarantee.

Value Added Services


Discover the most optimal way to import by consulting with our tariff experts.


Analysis of 3D files, materials, surface finishes, and tolerances to ensure no production issues.


All-inclusive estimates including tariffs, production costs, shipping, and more.


Receive casting samples for your approval, prior to production and at no cost to you.


Quality control and inspections prior to shipments are always included.


Contractual agreements with Redstone Manufacturing USA provides you legal protection.

We were looking for a manufacturing expert in China and Redstone was able to provide complex components and assemblies quickly and with impeccable quality. We value our relationship with Redstone and view them as an extension of our own company.
Redstone Manufacturing produces metal injection molded steel parts for us. These are high-precision components with a tolerance less than half a thousandth of an inch. Redstone is a bankable supplier; they deliver quality parts on time.”

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