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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

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WYL tell you how to check the quality of butt welding elbow from appearance.
Time：2023-05-08    Author：yingli

1. Whether the manufacturing process is exquisite and whether there are frictional defects.
2. Whether there are defects and size deviations.
3. Knock butt welding elbow, high-quality elbow sound clear.
Telephone Number: 86-532-88910996 E-mail: info@yingliqd.com Company Address: High-Tech Industrial Park, Laoshan,Qingdao,China 网站地图
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