1958 built the factory wangcun iron wood industry society
Formation of the pattern of R&D and production of paper machinery as the leading products
The company changed its name to Zibo Zhoucun Paper Making Machinery Factory.
The company changed its name to Shandong Wangcun Paper Making Machinery Factory, established Shandong Metallurgical Machinery Factory Wangcun Branch, and began to develop and manufacture paper machines with large width, high speed and high output.
Developed a successful WF waste paper deinking machine was patented, won the first prize of the city's excellent new products, the third prize of Shandong Province Spark Project, the national key new product
The enterprise moved into the new factory with convenient transportation. In the same year, we successfully developed 25 cubic steam ball, which filled the blank in the province, and won the honorary certificate of excellent products of the Municipal Economic Commission and the honorary certificate of excellent products of the Provincial Department of Light Industry.
Shandong Wangcun Paper Making Machinery Factory was renamed as Zibo Changya Co., Ltd. with three branch factories: Shandong Wangcun Paper Making Machinery Factory, Zibo Changya Pressure Vessel Factory and Zibo Changya Coated Paper Factory.
Awarded by the National Federation of Light Industry as "the sixth in the country in terms of comprehensive efficiency of papermaking machinery".
The company's shares "Changya shares" are listed and traded on the Zibo automatic quotation system.
The shareholding was restructured and the company's share capital was fully owned by individuals, making it a purely private enterprise.
Developed 4450/500 four stacked net multi-cylinder paper machine, Shandong Wangcun Paper Making Machinery Factory officially changed its name to Shandong Haitian Paper Making Machinery Co.