Established in 1998,Su Zhou Joint Engineering Materials Co.,Ltd.(Spring Thunder Engineering Materials Limited@Hong Kong) is a global manufacturer of aluminum extrusions from China.
  Our main products are as follows:
  1.Aluminum extrusions / aluminum profiles
  You can have all your aluminium profiles extruded at SPRING THUNDER.
  We have our own aluminum profile extrusion line.We can easily customize almost any aluminum extrusions or aluminum profiles,clients just need to send us your CAD drawings or samples.
  We also can do surface treatments for you (anodised,powder coating,brushed,polished,stainless steel look etc)
  2.Aluminum expansion joint covers and movement joints (control joints).
  We have more than 26 years' experience in designing and manufacturing of building expansion joint Covers (floor expansion joint covers, wall expansion joint covers,ceiling expansion joint covers and roof expansion joint covers),movement joints,aluminum commercial entrance mats,skirting boards,stair nosing etc.
  All the expansion joint covers' materials are produced by ourselves.   We can customize any expansion joint covers for you and free to print your company logo on aluminum profiles by our laser engraving machine if needed.You just need to send us your CAD drawings or samples.
  Not only the aluminum extrusions line,we also have Hydraulic Plate Shears,Two CNC Bending Machines and Laser Cutting Machines
  We are manufactured to solve a variety of expansion joint scenarios. Custom sizing, materials ensure that whatever you need for your project, we've got you covered. Our commercial building products are shipped direct from our central manufacturing facility or from one of our strategically located stocking locations.