Ningbo Yinzhou Lei Sheng Machinery Co., Ltd. well-equipped, the use of high-quality raw materials, to meet the production requirements of the sleeve products, all-round processing of internal and external sleeve products. I have a professional team, for a higher demand for product processing will be research and development, to bring you quality service, you can also provide you with the drawings, production you Xu's bushings processing products, our company to undertake various types of sand casting Processing, stainless steel casting processing, aluminum alloy precision die-casting processing and other products, please contact us.