Qingdao Yingli Machinery Co., Ltd.
Company Address: High-Tech Industrial Park, Laoshan,Qingdao,China
E-mail: info@yinglimachinery.com
Zip/Postal Code: 266000
Tel Number: 86-532-88910996
Fax Number: 86-532-88910969

1. Appearance. The surface of high-quality pipe is smooth, without obvious scratches, pits and cracks.
2.Material. Tested by spectral analysis to ensure compliance with the appropriate standards.
3. Marking. There should be clear WYL, dimensions, material and other information on the pipe for easy identification.