We are a ISO9001 certified professional foundry. Established in 2003, HANGZHOU GUANNAN Precision Casting Co., Ltd. combines experience with the latest technology to provide high quality products for earth moving industry..

Our company occupies an area of 12000square meters, with more than 250 workers operating in two shifts, producing 600tons/month.

The key to our success is constant striving for customer satisfaction through employee participation and advanced equipment. We are anxious to cooperate with you and will be dedicated in meeting your high quality requirements.

Casting technology - we are expert in casting processes, which means that you can turn to a single vendor for most of your casting needs. Our casting process is fine tuned for efficiency in both small lot and high capacity jobs.

Experience - the core members of our management team have been working together to produce quality castings at Precision Castings for over 10 years. We get to know the particular needs of our customers. When you have a question there will be someone you know ready to respond.

Just-on-time delivery - rapid turn-around of orders and 12000 tons per year output capability mean first rate castings are delivered when you need them.

Advanced management systems - our quality system (QA Display) provides pictorials for every stage of production throughout the plant.

QA/QC Introduction

We have years' casting and foundry experience, employing many senior engineers and using advanced quality testing machinery to optimize our working efficiency. Our QC personnel are equipped with such testing and analysis instruments as Italy F20 spectra direct-reading spectrometers, material analysis devices, Brinell and Rockwell hardness testers, tensile strength testing machines, microstructure analysis microscopes, etc.

With consistently high standards, we are now exporting around 90% of all items manufactured, providing high quality products to mining companies and suppliers of construction machinery.

research and Development
Our technological innovation system at Hangzhou Guanan Precision Casting Co., Ltd. focuses on technique as our center. In 2004, Professor Wang Kaile from Zhejiang University was hired as the core asset of our R&D training network in order to ensure the future development of Guannan. Furthermore, we work closely with other academics throughout China pursuing scientific and technological developments in related fields.

We have over 10 engineers in our technical development department, with all personnel being highly experienced in their relevant fields.