I'm working for Shandong Buoy&Pipe right now, and here is a brief introduction for it: Shandong Buoy & Pipe Industry Co., Ltd. is a high-tech company which is specialized in researching and manufacturing UHMWPE(ultra high molecular weight polythene) pipe and UHMWPE oceaneering products.  Established in May 2006, with registered capital of 50 million, the company is covering about 70,000 square meters, including 33,000 square meters as the production workshop. Its annual capacity is 8,000 tons and the annual production ability is about RMB 500 million. It is the only company that can produce the UHMWPE pipe with the inner diameters more than 900 mm world-widely; it is the only company in the world that produces the marine navigation buoys with UHMWPE; it is also the only company that can produce the steel-UHMWPE composite pipe with the diameter more than 700mm around the world; which three products and technologies filled the blank domestically and internationally.