7" BTC L80

7" LTC L80

7" STC L80

9-5/8” BTC L80

9-5/8” STC L80

9-5/8” LTC L80

13-3/8"  BTC L80

13-3/8"  STC L80

13-3/8"  LTC L80

Our Services/Warranty

As a professional manufacturer, we provide follow services:

1.Lower price

2.ONE year warranty and life time maintenance

3.In time delivery.

4.High Quality assurance.. 

Latest news

We have lots of couplings and couplings stock for sales,such as 4-1/2”,9-5/8",20” standard size 

Contact:Bonnie Xu

Email:BonneXu@dlpoctg.com

WeChat:13602055205

Skype:BonnieXu22

Tel:+86-13602055205