... per buyer's requirements We can supply various sandcasting scaffolding couplers and other accessories. Standard:ANSI, BS, DIN, JIS & etc. ... casting parts, such as precision casting, sand casting, investment casting, and we can do heat treatment, galvanizing, welding, maching & etc. ... (Dalian) Co.,Ltd are well established as an import and export company. We are located in the beautiful harbor city ...