Henan Premtec Enterprise Corporation was founded in 1995, located in Zhengzhou, China. We are the member of Henan Chemical Group Co., Ltd and was reconstructed in 2006. We are the high-tech chemical enterprise which specialized in researching, manufacturing and trading for chemical raw materials, our products widely used in paints, textile, rubber, leather, plastic, water treatment industry and so on.

Hebei Longtongyi Technology Co., Ltd. Focuses on the research, production and sales of daily-use washing chemical raw materials. It is a high-tech enterprise with core technical strength. The company takes technological innovation as its core development strategy, relying on advanced chemical production technology and a complete quality management system, to provide global customers with efficient, safe and environmentally friendly overall solutions for daily chemical raw materials, helping the detergent, personal care and household cleaning industries achieve product iteration and upgrading, and assisting cooperating customers to enhance their core competitiveness and achieve mutually beneficial and win-win cooperation goals.

WEIFANG LITTLE STONE Co., Ltd was founded in 1996. More than 20 years full efforts, little stone chemical has grown to be a large enzyme chemical enterprise, specializing in exploring, researching, manufacturing and marketing of industrial enzymes chemical. We have 1 strain R & D center, 1 application research center and 2 modern manufacturing bases. Little stone group is the member of China Biotech Fermentation Industry Association, and has been awarded as "Key Enterprise of China Enzymes Industry".

Shandong Jiurunfa Chemical Technology Co., Ltd. is a high-tech chemical raw material import and export company founded by Mr. Hanhan. Mr. Hanhan also owns several other companies, including Hanjiu, Koro, Elephant, and Donglong. As a group company, we operate five modern production bases in China, exporting our products to more than 90 countries and regions worldwide, with an annual export value exceeding USD 30 million. We have earned a strong reputation and recognition in the international market, reflecting our commitment to innovation and excellence.

Chengdu Dova New Materials Co., Ltd. (Dovamat) is committed to the development, production and supply of advanced chemical materials more than 10 years. We are dedicated to providing integrated solutions for domestic and foreign customers; A long-term sustainable supply chain in the fields of food additives, functional chemicals (flame retardants, pigments, and other active agents), and plastic additives. Company product sales are all over the world, you can find Dovamat products in all aspects of clothing, food, housing and transportation.

Broad World, Global Reputation

Our brand is Yulin Chemical, we are a factory for phosphate and water treatment chemicals from China.

Henan Eastar Chem. &Tech. Co., Ltd. Was established in 2003, and Have been engaged in export for 20 years, we are fully experienced and have a perfect quality control system. With 2 decades' of devotion to our work, our professional service has won a good reputation among our cooperating partners home and abroad.