For 30 years, we have been committed to technology research and development related to powder storage, conveying, metering and intelligent control, Equipment manufacturing and engineering consulting services, and we can provide client with system solutions. Owns the well-known ‘Portland’ registered trademark in the industry. Numbers of scientific research achievements of the company have filled the domestic technology gap, with independent intellectual property rights and dozens of patents, and successively won 17 scientific and technological achievement awards. Including one Second prize for National Science and Technology Progress; Five first prizes and two second prizes of provincial and ministerial.