Donglian is a silicon carbide sleeves for pumps professional manufacturer & supplier in China.We provide various of high quality cheap silicon carbide sleeves for pumps, Also provide custom OEM & ODM silicon carbide sleeves for pumps for you. We have the most advanced silicon carbide sleeves for pumps production equipments and factory price . more questions, please contact us,We will respond in a timely manner, we are not the lowest price, but we will provide you with better service.