Tangshan Shuangyi Feed Machinery Co.,Ltd., located in Tangshan City,Hebei Province,founded in 1999, is a professional manufacturer dedicated to the research and development of feed crushing equipment. After more than 20 years of development and accumulation, the company has won more than 90 patented technologies, including five invention patents and a number of pioneering technologies, such as: crusher hammer screen gap adjustable,anti-fish tank mechanism,Multi-chamber structure,hammer positioning device,unsealed oil lubrication system, multi-chamber circulating reverse jet pulse dust collector, etc. Through continuous technological innovation, the company's products, especially the hammer crusher, have excellent performance and stable quality, and have won wide praise from customers. According to statistics, at present, more than 4000 hammer crushers have been put into the market,covering 90% of China's provincial regions.It also includes Vietnam, India, Indonesia, Malaysia, South Africa, Egypt, Saudi Arabia, Iran, Colombia, Argentina, Spain, Myanmar, Brazil, Egypt, the Philippines, Thailand, Kazakhstan and other overseas countries.