Guangzhou Normplus Technology Co., Limited

DF Technology Limited do the PH test R&D from 1997, and we are the earliest company in

China for this industry, for more than 15 years.

DF cooperate with experts of Hong Kong University of Science and Technology, and Sun Yat-

sen University, some of the best chemical experts of Hong Kong and China. 

From raw materials to chamical formulation, to manufacturing process, our R&D experts do it

with quite high standards, as Germany and US manufacturers. In our factory, we have more than

10 process engineers, to make sure the manufacturing is well in every details.

With the help of our R&D, our process engineers, and our new international sales dept., we are

able to provide our customers with high quality products and satisfied service around the world.

Please emai our sales dept. for more information about our PH test strips product...