... sponge rubber balls Factory direct sell,manufacture experience 20 years,This product have CE certificate,welcome your inquiry. ... etc.OEM service .Welcome your inquiry,we believe in great service all the time.Please feel free contact ... ,Sample time: 3 days2,Delivery time:7-10days after order confirmed3,Port:Ningbo or Shanghai3,One-stop service ... L/C at sight. sponge rubber balls manufacturer in Yiwu China