Ningbo Yinzhou JH Machinery Co., Ltd. is ISO9001:2008 certified. As a subcontractor in the line of metal parts in China, we can make customized parts according to your drawing or samples. We focus on stable and high quality, professional service and reasonable price. our production complies with ISO standard. Supported by our strong & professional engineering team and well equipped quality research center, we are the leading company to supply our customers with high quality products and ...