... , steel body, Welding rod 2. Lifetime: 30,000cbm Wearing insert for Schwing DN 230 (10074768) 1. Size: DN2302. Made in Zhuzhou ... , HunanCompany brief introductionLeading manufacturer for concrete pump spare parts, main products as below:1. wear ... seal, pistons, intermiate ring, swing lever etcPlease feel free to contact us for more detail.