On December 1, 2015, BHP Billiton Chile and a group of 5 people visited the company. BHP Billiton is a well-known multinational company mainly engaged in oil and minerals, and is the world's largest mining group company.

The two parties conducted in-depth exchanges on slurry pump products, mill liner products, cylindrical screens and vibrating screen plates. It is believed that through this inspection and visit, BHP Billiton Chile will have a comprehensive understanding of the company's corporate strength, site and quality control. Have a more comprehensive and in-depth understanding. It will have a positive impact on further cooperation between the two sides in the future.