Steel Tubes liao cheng si he stainless steel material limited company is a world-class manufacturer of High Quality Stainless Steel Seamless and Welded Pipes, Tubes & U-tubes. We offer wide range of products in following Alloys. Our stock range is pre-tested to stringent testing requirements which ensure that in most cases our stock material is already suitable for your needs. This means that your material can be progressed for dispatch almost immediately. For more than five decades, Steel Tubes .liao cheng si he stainless steel material limited company has been serving the needs of the oil and gas industries, automotive, shipbuilding, power plants. All the supply records for most of the severe environment of Steel Pipes Steel Tubes & pipe line indicate that Steel Tubes .liao cheng si he stainless steel material limited company is the leader in line pipe technologies.