1>We are specilize in manufacturing various stamping part. 2>Materials:stainless,steel,brass,etc. 1>Professional Metal Stamping Manufacturer and rich experience in stamping parts.2>Standard: As per customers requirements.3>Material:steel or sa per customers' requirement.4>Surface Treatment: Chrome, Nickel plating, Hand polishing.5>Service:satisfying6>Price;reasonable Steel strip spring