Cheap Price 4.0mm Zig Zag Spring Serpentine Springs For Sofa
Products Descriptions
How to Vet a Supplier:
Check Profile: How long have they been a Gold Supplier? What is their transaction history?
Read Reviews: Look for feedback from other international buyers.
Request Samples: Any reputable factory will send samples for a small fee. This is crucial. Test the spring's
tension and feel.
Ask for Certifications: Inquire about quality management systems (e.g., ISO 9001) and material specs.
Communication: Gauge their responsiveness and willingness to answer technical questions.