September 17th 2016
Machining is a form of manufacturing used to create objects out of metal. During this process, workers cut away materials to alter the appearance and shape of a product. Machining serves as an altern
August 17th 2016
Metal mould casting coated with resin sand manhole cover,it is better than sand casting manhole cover. Why? There are several resons:
1.Mould:The life is longer.
2.Precision: it is higher precision,we