Frequently Asked Questions

Quick answers to common questions about our drainage products, manufacturing, shipping and customization. Can't find what you're looking for? Contact us directly.

Ordering & Customization

What is the MOQ for your drainage products?
For standard catalog items, our MOQ is typically 50-100 pieces per model. For custom sizes, materials or OEM orders, the MOQ may be higher. Please contact us with your specific requirements for a precise quote.
Do you offer OEM or custom drainage solutions?
Yes, we specialize in OEM and custom drainage solutions. We can customize sizes, materials (SUS304/316L), grate designs, outlet types, and surface finishes. Our engineering team supports custom drawings and provides technical assistance for your project.
How do I choose the right drainage product for my project?
Consider these key factors: application area (residential bathroom, commercial kitchen, industrial facility), expected load class, flow rate requirements, material compatibility, and installation depth. Our engineers can help recommend the right solution based on your drawings or specifications.

Product & Quality

What certifications do your drainage products have?
Our products are CE certified, ISO 9001:2015 quality management certified, and many models carry WaterMark certification. Stainless steel products comply with EN 1253 and GB/T standards. Test reports are available upon request.
What materials do you use?
We offer stainless steel (SUS304 for residential/commercial use, SUS316L for coastal and heavy industrial environments) and HDPE (high-density polyethylene) for light-duty to medium-duty applications such as gardens, courtyards and commercial landscapes.
What warranty do you provide?
We provide a 5-year warranty on stainless steel drainage products against manufacturing defects. HDPE products carry a 3-year warranty. The warranty covers material and workmanship issues under proper installation and normal use.
Are catalogs and technical drawings available?
Yes, our product catalogs and 2D/3D CAD drawings are available for download on each product page. Detailed installation manuals and test certificates can also be provided on request.

Shipping & Payment

What is your lead time for production and delivery?
Standard products ship within 7-15 business days. Custom or OEM orders typically require 25-35 days for production plus shipping time. Express production is available for urgent projects — please contact us to discuss.
Do you ship internationally?
Yes, we ship worldwide. We work with reliable freight forwarders for sea freight (FCL/LCL), air freight, and express courier (DHL/FedEx/UPS). We can handle both EXW and FOB trade terms.
What payment terms do you accept?
For standard orders, we accept T/T (30% deposit, 70% before shipment). For established partners, L/C at sight is available. We also support Alibaba Trade Assurance for secure transactions.

Still have questions?

Our drainage specialists are ready to help you find the right solution.

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