About Us
Development Process
2016
New filling valve on the market
2015
Become a "contract-abiding and trustworthy" enterprise in Weifang City
2014
Expanded plant 3000 square meters
2013
New development steel company special valve listed
2012
Products are exported to more than 20 countries and all over the country
2011
To obtain the right to export
2010
Obtained two national patents
2009
Cooperation with the German solenoid valve company, the product officially entered the German market
2008
The Ministry of Foreign Trade was established and the products officially entered the international market.
2007
Develop new pneumatic valves and put them on the market
2006
Become a member of China Foundry Association
2005
Set up a research and development center, increase investment in research and development, and introduce selected spectrum analyzers.
2004
Through ISO9001 certification
2003
The company built 20000 square meters of production base
Guanyu Machinery Manufacturing
Marketing Department:+86-13626362718
Address: 2379 Fenghua Road, Hanting District, Weifang City
Department of International Trade:0086-15966155160
Mailbox:zwl@gyjx.cn