We are one of the biggest manufacture specialized in investment casting machine and hose in China and we can supply near 1000 specifications of high quality valves with over 80 types for3 big systems of iron making plant. Our products include: --Metal annular flexible hose --Metal helix flexible hose --Metal expansion joint --fabric expansion joint --Rubber expansion joint --Big valve, flange, cam-lock coupler and tube couplings --Various kinds of valves Our equipment and machinery includes: --Hydraulic annular hose forming machine --Mechanical annular hose forming machine --Helix hose forming machine --braiding machine --automatic punch expansion joint forming machine (top in the world) --Hydraulic expansion joint forming machine --Tube mill --Seam welder --Shear machine --Re-rolling machine (re-tooling machine) --complete line of investment casting line » Read More