Welcome to unionsum.
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Unionsum International Industrial Co., Ltd. was built in 2010 and located in Changsha city, Hunan province, the hometown of nonferrous metals in China. We have three production bases, and successively set up branches or representative offices in Russia, Iran, Bulgaria, India and other countries.

Since its foundation, our high quality equipment and strong technical strength have  made the company gain a good reputation in the metallurgical industry.

Gathering the expert strength of the China top scientific research and industrial practice, our goal is to provide optimal & customized solutions for copper, lead and zinc smelters all over the world, and help them: save costs and increase profits.

Introduction of business and technical teams

Our company has a diligent, efficient and united business team and a technical team with professionals involving in mechanical, electrical and metallurgical aspects. They all have five to ten years of working experience in metallurgy and machinery-related industry. Our company sets up a business philosophy of "metallurgical market-oriented and customer experience-centered". We are willing to provide customers with complete metallurgical equipment and solutions in our best service enthusiasm.

Mr. Liu Zhengliang--Metallurgist

A chief designer of Unionsum
Once worked in Zhuzhou Smelter for 28 years as a director in Cu/Lead electro winning workshop
Especially familiar with metallurgical equipment
Designed 8 smelters in China in the field of Pb/Zn/Au/Ag metallurgy

Mr. Dai Yongnian--Academician

Chinese famous expert and national academic leader in nonferrous metal vacuum metallurgy and key
disciplines in Yunnan Province
One of academicians in China Academy of Engineering
A professor, master’s and doctoral supervisor of Kunming University of Science and Technology
Working on vacuum metallurgy discipline teaching, scientific and engineering research
Proposed and formed a basic theory system for metal vacuum smelting and alloy vacuum separation,
which plays an important role in guiding production and scientific research
Has extensive effect on domestic and foreign metallurgical industry.

Mr. Liang Ruteng--Professor

The designing and technical authority of Cu/Pb/Zn/Mn metallurgy in China and Asia. In his 45 years of professional career, he designed many large-scale hydrometallurgical smelters in China and led a team to design some hydrometallurgical smelters of Zn and electrowinning copper in Iran and southeast Asia.

Production and research base

CHINA HEADQUARTERS

Add:41st Floor, Xiangshang·Century Xincheng, No. 17 Kaiyuan Road, Xingsha Economic Development Zone, Changsha, Hunan, China. 

Tel:0086 731 85781166

Fax:0086 731 85781199

Skype:pbjoyz

Email:info@unionsum.com

RUSSIA OFFICE

Add:Room 1502,15, Pervomayskayastr., Ekaterinburg620075,Russia

Адрес:Россия, 620075 Екатеринбург, ул. Первомайская 15, офис 1502

Mp:007 982 646 60 50

Email:marketing@unionsum.com

BULGARIA OFFICE

Add:bl 49/D, Yavorov complex, Sofia 1111, Bulgaria

Tel:00359 28717072

Fax:00359 28717072

Mp:00359 899853098

Email:bulgaria@unionsum.com

CONTACT US