SIGMA CO. Is a Ningbo based company(JV: Chinese and Australian) in China's Zhejiang province which is in the heart of the white goods and spare part manufacture in China. We are a specialist China based company offering the management of your spare parts production from Tooling, machining (CNC turning/CNC machining), QC, packaging, container consolidation etc. We have Western and Chinese expertise in, a.. Cast iron products. b.. Tooling for Alu/Zinc pressure die cast products, as well as the parts. And Alu. extrusion parts. c.. Tooling and moulding of plastic products. d.. Stainless steel fabrication and tooling. e.. Machining of shafts, bolts, castings and various steel parts following your requirement. f.. Stamping parts g.. Surface treatment (plating, painting, powder coating...). h.. Sourcing of whole products i.. QC audit of all manufactured items.