Hi, Could you please kindly help me to forward my email to your purchasing department? I am shelly from yangzhou baijiaspring manufacturer co.,ltd. we are a spring factory specialize in producing all kinds of springs according to drawings or samples. Do you have any projects in hand we can quote for you? please feel free to send us your PDF/3D spring drawings. Best Wishes. shelly Sales Director Tel: +86-514-87418036 PROFESSIONAL SPRING MANUFACTURE