国产看黄网站又黄又爽又色,亚洲欧美日韩中文字幕一区二区三区,巨熟乳波霸若妻在线播放,欧美一性一乱一交一视频

Welcome to the official website of Tianjin Yixin Pipeline Equipment Co., Ltd!

Tianjin Yixin Pipeline Automatic Welding Equipment

Tianjin Yixin makes welding more efficient and convenient

Pipeline all position intelligent welding machine

Made in China serving the world

Low labor intensity high efficiency high qualification rate

Improve the competitiveness of engineering construction

Quality-based creative breakthrough

Tianjin Yixin is selected for pipeline welding equipment

Pipeline all position automatic welding machine

Contact：Manager Chen

Tel：+86-22-23889667

Mobile：+86 13820221715

　　　+86 13194693183

Support：Junyuan

Address：No.28 Mold Park B4, Saida Fourth Branch Road, Xiqing Development Zone, Tianjin