Hunan Huitong Science & Technology Co., Ltd is located at the bank of the Xiangjiang River, next to scenic Yuelu Mountain and close to the National highway. It is very convenient both in water and land transportation.

Hunan Huitong Science & Technology Co.,Ltd is a professional manufacturer of manganese dioxide, high purity super fine bismuth series and indium series products. The factory is located in Liuyang.And the sales centre is in Changsha. Changsha Suma Chemical Trading limited Company, as the full-invested subsidiary company of Hunan Huitong Science & Technology Co.,Ltd which responsible for all the sales of its products, meanwhile as the agent for many kinds of import &export business.

Now we have 26 staffs. 12 of them are undergraduates, 4 of them are advanced technologists, and 6 of them are administrators. We have a powerful research & development center, which has advanced equipment and a consummate technologist team with abundant development ability and rich experience. Our R& D Center is responsible for all the existing subsidiary factories whose technology instructions, quality control and new product development.

Each product has a very wide distribution throughout China, even exported to Southeast Asia, Africa Europe and USA. Up to now, we have developed business with over one hundred customers and are creditable from their feedback.

We would like to insist on building a good enterprise with Hunan Special Culture and developing friendly business relations with all the customers worldwide all along with the policy of “Quality First, Customer Uppermost, Cooperation Hearty” and guideline of “Good-faith, Solidarity, Concrete and Innovation”. We would like to build the bridge of mutual promotion and double win together with our customers in the target of “First-class Management, First-class Service and First-class Benefit”.