FAQ

SinoExtrud specializes in providing high-quality custom aluminum extrusion solutions. Our expertise allows us to enhance our clients’ yield, offering larger capacity, better prices, and lower MOQs. This enables our clients to save more and generate higher profitability.

SinoExtrud’s annual production capacity reaches up to 50,000 tons. This large-scale production allows us to offer lower wholesale prices to our clients, making our services more cost-effective and competitive in the market.

At SinoExtrud, we offer a low MOQ of 200KG. This flexibility enables our clients to order smaller quantities, reducing their inventory risk and allowing them to adapt to market demands more easily.

SinoExtrud strictly adheres to ISO and EN certifications and standards. Our rigorous production processes guarantee the quality and safety of our aluminum extrusions, giving our clients peace of mind.

SinoExtrud caters to various industries, including:
Building & Construction: aluminum profiles for curtain walls, commercial partitions, windows, and doors
Solar Power Industry: aluminum profiles for panel frames, solar curtain walls, and base supports
Lighting: aluminum profiles for LED channels, tracks, and baseboards
Consumer Products: aluminum profiles for heat sinks, enclosures, and furniture
Standard Profiles: T-slotted profiles, tubes, bars, and other customized profiles

The typical lead time for producing aluminum extrusions at SinoExtrud depends on several factors, such as the complexity of the profile, the required quantities, and the current production schedule. On average, our lead times range from 2 to 6 weeks, including the time for mold development, extrusion, finishing, and quality control. However, for simple profiles and standard finishes, we can often deliver within a shorter timeframe. We always strive to provide accurate lead time estimates and keep our clients informed of any potential delays.

SinoExtrud employs a comprehensive quality management system to ensure the highest standards of quality and accuracy in our aluminum extrusions. This system includes:
Strict Material Control: We source only premium-grade aluminum alloys from certified suppliers and conduct incoming material inspections to verify their composition and properties.
Advanced Equipment: We invest in state-of-the-art extrusion equipment, including high-precision presses, temperature control systems, and automated handling devices, to ensure consistent and accurate profile dimensions.
Skilled Personnel: Our production team consists of experienced and skilled operators, quality control inspectors, and engineers who are trained in best practices and continuous improvement methodologies.
In-Process Monitoring: We use advanced sensor technology and statistical process control (SPC) techniques to monitor critical process parameters, such as temperature, speed, and pressure, and make real-time adjustments to prevent defects.
Final Inspection: Every extruded profile undergoes a rigorous final inspection, including visual checks, dimensional measurements, and mechanical testing, to ensure that it meets the required specifications and quality standards.
Traceability: We maintain detailed production records and implement a traceability system that allows us to track every profile back to its raw material batch, production date, and operator, enabling quick identification and resolution of any quality issues.

SinoExtrud offers a wide range of finishing options to enhance the durability and visual appeal of its aluminum extrusions. These options include:

Anodizing: This process creates a protective oxide layer on the surface of the aluminum, increasing its resistance to corrosion and wear while offering a variety of color options.
Powder coating: A dry finishing process that applies a protective and decorative coating to the aluminum surface, available in a wide range of colors and textures.
Brushing: A mechanical finish that creates a uniform, linear texture on the surface of the aluminum, providing a modern and attractive appearance.
Polishing: A process that uses abrasive materials to create a smooth, shiny surface on the aluminum, enhancing its visual appeal.
Sandblasting: A finishing technique that uses high-pressure air to blast abrasive particles against the aluminum surface, creating a textured, matte finish.

Yes, SinoExtrud can accommodate rush orders and expedited production. We understand that some clients may have urgent requirements, and we strive to be flexible in meeting these needs. However, the ability to accommodate rush orders depends on various factors, such as:

Current production schedule and capacity
Complexity of the design and required customization
Availability of raw materials and components
Shipping and logistics constraints
To inquire about the possibility of a rush order or expedited production, please contact our customer service team with your specific requirements. We will assess the feasibility of your request and provide you with a realistic timeline and any associated additional costs.

At SinoExtrud, we have strict quality control measures in place to minimize the occurrence of production issues. However, in the event of any unforeseen problems or delays, we have a clear process to address them:

Identification: Our production team immediately identifies and reports any issues or potential delays to the project manager.
Assessment: The project manager assesses the severity of the issue and its impact on the production timeline.
Resolution: Our team works diligently to resolve the issue as quickly as possible, making necessary adjustments to the production process or schedule.
Communication: The project manager promptly informs the client about the issue, the steps being taken to resolve it, and any revised timeline estimates. We maintain open and transparent communication throughout the process.
Follow-up: Once the issue is resolved, the project manager provides the client with an update and ensures that the production is back on track.
We understand that timely communication is crucial in such situations. Clients can expect to be informed about any production issues or delays through their preferred communication channel, such as email, phone, or our online project management system.

SinoExtrud offers a wide range of customization options for aluminum extrusions. We work closely with our clients to design and develop custom profiles that meet their specific requirements. Our customization options include custom shapes, sizes, alloys, tolerances, and finishes.

SinoExtrud’s design process involves working with the client’s design and identifying improvements early on. By optimizing the design for extrudability and functionality, we help our clients save time and cost on downstream processes, such as fabrication and assembly.

SinoExtrud develops custom molds using high-precision tools and techniques. Our process involves creating a 3D model of the desired profile, simulating the extrusion process, and optimizing the mold design for optimal material flow and dimensional accuracy. We then manufacture the mold using high-quality steel and advanced machining processes.

SinoExtrud employs strict quality control measures throughout the production process. We use advanced extrusion equipment and monitoring systems to ensure that the profiles are extruded to the exact specifications. Our experienced operators and quality control staff conduct thorough inspections and tests to verify the dimensions, surface finish, and mechanical properties of the extruded profiles.

Yes, clients can provide their own design files for customized extrusion solutions. SinoExtrud accepts various file formats, including DWG, STEP, and PDF. Our design team reviews the files and provides feedback on feasibility, cost-effectiveness, and potential improvements.

SinoExtrud’s quotation and estimation process begins with a thorough evaluation of the client’s design and requirements. Our experienced sales team assesses the feasibility of the project and provides a detailed estimate, including the material costs, tooling costs, production lead time, and shipping costs. We strive to provide prompt and accurate quotes to help our clients make informed decisions.

SinoExtrud creates prototypes using advanced 3D printing and CNC machining technologies. We use the client’s design files to generate a 3D model of the profile and optimize it for prototyping. The prototype is then manufactured using high-quality materials and precise machining processes. Our quality control team measures the prototype’s dimensions and compares them with the original design to ensure mold precision and identify any potential issues.

SinoExtrud’s production process involves the following steps:
Billet Heating: The aluminum billet is heated to the appropriate temperature to ensure optimal material flow during extrusion.
Extrusion: The heated billet is pushed through the custom-designed mold using advanced extrusion equipment, forming the desired profile shape.
Cooling: The extruded profile is cooled using air or water quenching to achieve the desired mechanical properties and dimensions.
Stretching: The cooled profile is stretched to straighten it and relieve any residual stresses.
Cutting: The profile is cut to the required lengths using precision cutting equipment.
Surface Treatment: The desired surface finishes, such as anodizing, powder coating, or brushing, are applied to the profile using state-of-the-art equipment and processes.
Quality Control: The finished profiles undergo thorough quality inspections to ensure that they meet the required specifications and standards.

SinoExtrud’s complete production chain, which includes designing, mold developing, extrusion, fabricating, finishing, and shipping, enables us to provide a one-stop solution for our clients. By handling all aspects of the production process in-house, we can ensure seamless coordination, faster lead times, and higher quality control. This integrated approach allows us to deliver products that meet our clients’ exact requirements and exceed their expectations.

SinoExtrud provides comprehensive after-sales services to support our clients’ ongoing needs. These services include:
Technical Support: Our experienced engineers are available to provide technical guidance and troubleshooting assistance for any issues related to the use or performance of our products.
Warranty: We offer competitive warranty terms for our products, covering defects in materials and workmanship. In the event of a warranty claim, we work closely with our clients to resolve the issue promptly.
Spare Parts: We maintain an inventory of common spare parts and components to support our clients’ maintenance and repair needs. We can also manufacture custom spare parts based on the original design specifications.
Training: We offer training programs for our clients’ staff, covering topics such as product installation, maintenance, and troubleshooting. These programs can be conducted on-site or at our facilities, depending on the client’s preferences.
Continuous Improvement: We actively seek feedback from our clients and use it to drive continuous improvement in our products and services. We regularly update our processes and technologies to stay ahead of industry trends and meet evolving customer needs.

SinoExtrud accepts various payment methods to facilitate convenient and secure transactions for our clients. These methods include:
Bank Transfer: Clients can make payments directly to our company bank account using the provided account details.

Letter of Credit (L/C): We accept irrevocable L/C payments, which provide a secure and guaranteed payment mechanism for international transactions.

PayPal: Clients can make online payments using their PayPal account, which offers a fast and easy way to transfer funds.

Escrow: For high-value transactions, we can arrange for an escrow service to hold the payment until the goods are delivered and accepted by the client.

Yes, SinoExtrud offers financing options and payment plans to support our clients’ cash flow and budgetary needs. These options include:
Deferred Payment: We can arrange for a deferred payment plan, where clients pay a portion of the total amount upfront and the balance upon delivery or after a specified period.
Progress Payments: For large-scale or long-term projects, we can structure a progress payment plan, where payments are made at predetermined milestones or stages of the production process.
Supplier Credit: We can extend supplier credit to qualified clients, allowing them to purchase goods on credit and pay according to agreed terms.
Third-Party Financing: We can introduce clients to trusted third-party financing providers who can offer loans or leasing options for purchasing our products.

SinoExtrud takes the security of client payments and financial information very seriously. We employ several measures to protect our clients’ sensitive data.

For custom orders and large-scale projects, SinoExtrud follows a structured payment process to ensure smooth transactions and minimize financial risks for both parties. The typical payment process includes:
Quotation: We provide a detailed quotation based on the client’s requirements, including the pricing, payment terms, and delivery schedule.
Purchase Order: The client submits a formal purchase order, confirming the scope of work, quantities, and agreed-upon terms.
Advance Payment: We require an advance payment, typically 30-50% of the total amount, to cover the initial costs of materials, tooling, and production setup.
Progress Payments: For projects with longer lead times, we may agree on progress payments based on predetermined milestones, such as mold completion or first article approval.
Balance Payment: The remaining balance payment is due before the goods are shipped or according to the agreed-upon credit terms.
Shipping and Delivery: Upon receipt of the balance payment, we proceed with the shipping and delivery of the products as per the agreed-upon schedule.

Yes, SinoExtrud provides detailed invoices and other financial documents for all client purchases. These documents include:
Proforma Invoice: We issue a proforma invoice upon confirmation of the order, outlining the product specifications, quantities, prices, and payment terms.
Commercial Invoice: We provide a commercial invoice for customs clearance and tax purposes, which includes the same information as the proforma invoice, along with any applicable taxes and shipping costs.
Packing List: We prepare a detailed packing list, specifying the contents of each package, dimensions, weights, and any special handling instructions.
Certificate of Origin: If required, we can provide a Certificate of Origin to confirm the country of manufacture and facilitate customs clearance.
Payment Receipt: We issue a payment receipt acknowledging the receipt of client payments, including the amount, date, and method of payment.

Please report any damages promptly, and we will address the issue and arrange for replacements if necessary.

Yes, clients can arrange their own shipping, but please communicate this with us in advance.

At this time Sinoextrud specializes in the extrusion of aluminum alloys. Please refer to the list below of our standard aluminum alloys available for extrusion:

Aluminum Alloys
Alloy 1100
Alloy 2024
Alloy 6061
Alloy 6063
Alloy 7075

Design fees may apply depending on the complexity of the project. Our sales team can provide more information.

For custom order, lead times vary depending on complexity and quantity. Please contact us for an accurate timeframe.