... 30,000cbm Wearing insert for Schwing DN 230 (10074768) 1. Size: DN2302. Made in Zhuzhou, HunanCompany brief introductionLeading ... for concrete pump spare parts, main products as below:1. wear plate and wear ring(Hardfacing, normal Tungsten ... , elbow(welding& casting), reducer, rubber hose, clamp coupling, cleaning sponge ball, rubber seal, pistons, intermiate ring, swing lever etcPlease feel ...