Sales staff learn the expertise of threaded pipe fittings.
In order to make the sales staff more professional, Yingli Machinery leaders invited professional teachers to explain the knowledge of threaded pipe fittings to employees.
Every employee listens attentively to bring professional answers and quality service to customers.
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Address: High-Tech Industrial Park, Laoshan,Qingdao China
Phone: 86-532-88910996
Email: info@yingliqd.com