上海开球进口阀门有限公司

主营：进口球阀，进口闸阀，进口截止阀，进口蝶阀，进口止回阀，进口针型阀，进口安全阀，进口截断阀，进口调节阀，进口真空阀，进口疏水阀，进口旋塞阀，进口减压阀，进口柱塞阀，进口鸭嘴阀，进口过滤器，进口气动阀