Shandong Chunqiu New Materials Co., Ltd. is a leading China RND round neck down sleeves manufacturer, supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our RND round neck down sleeves have been satisfied by many customers. Extreme design, quality raw materials, high performance and competitive price are what every customer wants, and that's also what we can offer you. Of course, also essential is our perfect after-sales service. If you are interested in our RND round neck down sleeves services, you can consult us now, we will reply to you in time!
RND neck down riser sleeves are made of high-quality thermal insulation refractory aggregate and appropriate amount of exothermic compound, which can meet the feeding needs of most steel castings and large castings.
