Hidden Cross Hinge 3D Adjustable Invisible Concealed Hinge for Interior Doors

· Why should I choose your factory over others? 

—Our factory has 35 years of production experience with a mature production and operation system.

—We are equipped with automated production equipment and have an outstanding team composed of experienced staffs.

—We provide one-stop purchasing service covering sliding door roller, suspending door roller, side-hanging door roller, barn door roller, folding door roller, aluminum track, weather strip, bottom stopper and more.  

This can greatly cut your purchasing and communication costs, while we guarantee premium products and thoughtful services for you.

· What are the quality advantages of your products?

Our core strengths lie in quiet and smooth sliding performance. We adopt premium raw materials and lean production processes. The products feature great wear, corrosion resistance and pass salt spray tests for long service life. Consistent quality is maintained across all production batches. 

· Can I get samples before placing an order?

We support sample requests for testing. Samples can be provided as required and you only need to cover the shipping cost.

· How do you ensure every roller meets the same standard?

We have established a complete and strict quality control system with multi-layer inspections throughout the whole process:

—Incoming raw material inspection

—In-production patrol inspection

—Full inspection of finished goods

All products are traceable to comply with unified factory standards.

· Do you have ISO, CE or SGS certifications?

We have obtained ISO9001 quality management system certification and all our products have passed SGS testing.

· Can you customize products or packaging?

We support both OEM and ODM services.

—Product customization: We accept customized products. You need to send us samples or drawings for our technical department to verify production feasibility.

—Packaging customization: We offer logo printing, gift box design and carton design services.

· What is your lead time?

Goods will be shipped within 45 days after receiving your payment. We arrange production strictly as scheduled with scientific inventory and production schedule management. We can also quickly coordinate production for urgent orders. 

· What after-sale do you offer?

We have a comprehensive after-sales system. We will respond promptly and provide proper solutions once any issues arise. Meanwhile, we offer long-term professional technical consultation for all cooperative clients.

· Which countries do you export to?

We have years of practical export experience and serve buyers worldwide. Our products sell well in American countries including the US, Mexico and Brazil; European countries such as Spain, Italy, Germany and Portugal; Asian countries including Japan, Singapore, Malaysia and India.

· Is your factory suitable for long-term stable cooperation?

We operate with integrity and aim to build long-term win-win partnerships with clients. We strictly honor all commitments, maintain efficient daily communication, continuously upgrade product quality and supporting services to be your reliable long-term supplier.