There are some advantage in excavator seals,
1.Packing rod seal is blue SKF (USA)
2. Buffer sealing is milk white colors( Japan top original parts)(this performance is very good)
3.Dust seals would Change the DKB to DKBI (PTFE+PET)
4.Backup seals is used new materials that contain 38-42% copper powder it could reinforce heat dissipation.
5.0-rings would be smooth at middle and it would have two blue pot on that.
6.More better performance with economical price.
*If you are going to use by yourself ,you could try separate pieces,we keep the quality is more reliability,i will try my best to support you.
*If you are going to sell or help your customer find, we will support you to get more customer like you could have your logo on the box that's would be the special point in your market or help you establish your brand.
if any question,please kindly email at w13570088898 at hotmail dot com or www.yfh-excavatorseals.com for further discussed.
Best regards
Christina Yan-Skype:lomiky624/what's app:8613925117719