We are a manufacturer of metal fabrication, such as stampings and wire formings for industrial and construction use. we have our own manufacturing body and an export company or sales office mainly dealing with hardware and casting parts. We have been involved in this field for years. I myself have ever worked in a big foundry for four years, and I also have a handful small foundries for alternative purpose. I hope I can be sort of help and source the sand castings for you as your representitive in China.