Zhongzheng is AQSIQ approved boiler and pressure vessel manufacturer. We hold ASME "S" and "U" Certificates and have earned ISO9001:2000 Certification.
Zhongzheng is located in Wuxi，Wuxi is an important modern industrial city in China . It is only about 100 kilometers away from ShangHai.
Our products have been sold to more than 100 countries and regions and set up offices in many countries to ensure that they serve customers at first time.