Manufacture&Exporter for ASME code pressure vessels and heat exchangers. Qingdao Free Zone A And Z International Ltd is a located in Qingdao, China. The company acquired ASME certificate professionally engaged in the development and making of heat exchanger based on high efficiency, saving energy and against corrosion, which is the member of material resource market factory of Sinopec and the one of chief providers of non-standard petrochemical equipment and spares of Petrochina. Manufacturer of tube & coil products. Available products include custom & rebuilt heat exchangers. Heat exchanger products offered include shell & tube, double pipe & double wall tube types as well as pressure vessels, evaporators, after-coolers, tanks, weldments, steel heads & nozzles. Our main products are- pressure vessels, stainless stell heat exchangers, composite material heat exchangers, Ti and Zr heat exchangers reaction kettles, kettle reactors, heating devices for chemical equipments, tower, others drawing provided by customer We use Materials: carbon steel, stainless steel, austenitic stainless steel, Ti, Zr, aluminun brass, etc Our vessel be used in Major Fields : Energy : - Oil, gas & Petrochemical (plant & Refinery) - Power station Industrial : - Steel plant - Mine Industries - Cement Plant -Medical Water : - Water Treatment plant - Sewage Networks</p>