About Us

n Hunan Sincere Chemicals Co.,LTD  established in 2005. Since then, we have established stable business relationships with clients from more than 60 different countries and regions.  

Hunan Sincere Chemicals Co., LTD. is the member of Kingstone Industrial Group Ltd., Our corporation has built 4 manufacturing plants including Sulphate, Chemical pigment, Carbon Graphite and Refractory plant ,are located in Liling and Xiangxi which are in east and west part of Hunan province mainland China.


Our annual production capacity is 50,000MT Sulphate products, 20,000MT Carbon Graphite products ,40,000MT Refractory and 3,000 Pigments products.


Hunan Sincere Chemicals Co.,LTD have own Export License with experienced marketing and service team. We emphasize on sustainable development and environmental protection.We are available for OEM business model as well.


We have the strict quality control system. Test every batch of product before we hand over to customers and keep shipment samples of each batch for customers recheck. The third party inspection such as SGS is available.