Qingdao Harvest Rubber & Plastic Co. Ltd has a wealth of knowledge and experience in the manufacture and sales of various kinds of rubber compound including NBR/PVC BLEND, EPDM compound, NBR compound, Silicone Compound and etc. We can also manufacture various grades according to customers??? special requirement. Besides the rubber business, we also have a manufacturing line of Oil Seals, O-Rings and Y-Rings etc.