Tel：+86-539-5252088 Email to tube@yonganhaoyu.com
ABOUT US.
Shandong Yongan Haoyu Pipe Manufacturing Co., Ltd.
Founded
Area covered
Annual production capacity
Employees
HONORS.
Green and low-carbon, energy-saving first
High tech enterprises
Shandong specialized and special new enterprise
Linyi City Specialization Special New Enterprise
Linyi Enterprise Technology Center
CERTIFICATE.
Customer first, win-win cooperation
Quality Management System (Chinese)
Quality management system
Safety Management System (Chinese)
Safety management system
Environmental Management System Certification (Chinese)
Environmental Management System Certificate
China Classification Society Factory Approval Certificate
China Classification Society Factory Approval Certificate
Yongan Haoyu Pipe
Tel：+86-539-5252088
Email：tube@yonganhaoyu.com
Address: Lingang Economic Development Zone, Linyi City, Shandong Province
Copyright© Shandong Yongan Haoyu Pipe Manufacturing Co., Ltd.