BAODING AOYU MACHINERY MANUFACTURE CO,. LTD is located in BaoDing city, HeBei province, China. Adjoin the capital Beijing and Xingang Harbor Our sand casting plant can produce all kinds of gray iron and ductile cast iron products with a monthly output exceeding 500 tons each month. At the same ,our precision casting plant can produce a variety of common carbon steel ,alloy steel,and stainless steel products with a monthly output exceeding 200 tons each month,stainless steel products more than..