Tungsten carbide (tungsten steel) shrinkage mould, tungsten steel insert moulds, shaped moulds, the use of high-quality tungsten carbide materials, the use of interference with the method of hot mounted inserts, used for stainless steel, cold rolled pipe, aluminium pipe, etc. to pull the expansion of the pipe, the R precise transition, the inner hole of the finish to reach the mirror, the molding of the product has played a great deal of quality assurance, mould service life is long, high precision, a variety of non-standard shaped moulds can be produced and processed in accordance with customer requirements. Production and processing, in terms of processing technology is mature, advanced, stable, can meet customer requirements at the same time, in addition to low-cost, to achieve the real cost-effective products!