hose coupling:
WE2501 WE2501NP WE2503 WE2542 WE2621 WE2621NP WE2622 WE2642 WE13503

hose coupling:

WE2501 WE2501NP WE2503 WE2542 WE2621 WE2621NP WE2622 WE2642 WE13503

And this product quanlity is best, I want to establish business relationship with the first customer,

I will give you the preferential price.