Our company is one of biggest companies in building heating and cooling system in the most industrialized region of North Italy.We are looking for a chinese producer (not trader) for Carbon and Stailess Steel items as pipe, pipe fittings, precision machining and stamping parts.We also use material as copper alloy (example, cupronickle 90/10, brass or bronze).Suppliers has to sent their presentation complete with ISO certificate, business license, website, otherwise they will be not considered.